How do I choose a cataract surgeon in Sydney?
Choosing a cataract surgeon in Sydney: questions about experience, retinal checks, lens calculations, anaesthesia, complications and aftercare.
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Articles
Dr Simon Chen explains cataract surgery, lens implants and retinal conditions, and the evidence behind them. Written for patients and the clinicians who refer them.
Further articles about cataract, lens and retinal surgery are added regularly, so please check back from time to time. Meanwhile, the condition and treatment pages cover each topic in brief.
Where should I start?
What intraocular lenses do eye doctors (ophthalmologists and optometrists) choose for themselves?
Dr Simon Chen explains eye doctors’ personal lens choices and the trade-offs of monofocal, mini-monovision and EDOF lenses.
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Vitrectomy for floaters: how and why do surgeons' approaches differ?
Floater surgery varies more between surgeons than many people expect. What each choice aims to do, and what the evidence shows.
Read the articlePureSee vs Clareon Vivity: EDOF lenses in Australia
Two extended depth of focus implants used in Australia, compared on range of vision, night driving and the head-to-head evidence.
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The Tecnis PureSee EDOF Intraocular Lens
A detailed guide to PureSee's refractive EDOF design, the vision to expect, its specifications and the evidence behind its benefits and limits.
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Recovery after vitrectomy for floaters: a week-by-week guide
What the first days and weeks are really like after floater surgery, from drops and showering to exercise, driving and travel.
Read the article- Recovery after cataract surgery: what to expect in the first six weeks
- Will I need glasses after cataract surgery?
- Which lens implants are available in Australia?
- What is the best intraocular lens (IOL)?
- Why do I have new floaters after cataract surgery?
- Flashes, floaters or a curtain in your vision: when is it urgent?
- Why is my vision blurry after cataract surgery?
Light Adjustable Lens: benefits, limitations and how it works
How the Light Adjustable Lens works, Australian registration and access, LAL versus LAL+, adjustment visits, UV glasses, benefits, risks and evidence.
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Dropped nucleus during cataract surgery: what happens next?
What a dropped nucleus means, why it happens, how vitrectomy and a fragmentome help, and what patients and optometrists can expect.
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How long should I stop wearing contact lenses before cataract or lens surgery?
Find out when to stop soft, rigid and scleral contact lenses before lens measurements, including advice for keratoconus, previous RK and corneal grafts.
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Capsular tension rings: when lens supports are weak
What a capsular tension ring does during cataract surgery, why it may help with weak zonules or pseudoexfoliation, and its limitations.
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Pseudoexfoliation: what does it mean for cataract surgery?
What pseudoexfoliation means for cataract surgery: weak zonules, dropped nucleus, capsular tension rings, glaucoma, genetics and retinal surgical support.
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Small pupils and cataract surgery: why size matters
Small pupils restrict the view during cataract surgery. Learn why they occur and how viscoelastic, iris hooks and Malyugin rings help.
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Cataract surgery with uveitis: why inflammation control matters
Cataract surgery with uveitis usually needs a quiet eye, a check of the macula and an individual anti-inflammatory plan before and after surgery.
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When do I need cataract surgery?
When is it time for cataract surgery? A patient guide to daily activities, glare, eye checks, waiting, benefits and risks.
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Can cataracts be treated without surgery?
What glasses, lighting and glare control can help with, what the evidence says about cataract drops and supplements, and when to discuss surgery.
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Multifocal lens implants: benefits, haloes and who should avoid them
Understand multifocal lens implants: less dependence on glasses, haloes and night vision, who should avoid them, alternatives and what to ask before cataract surgery.
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Does the vitreous grow back after vitrectomy surgery?
The vitreous gel does not grow back after vitrectomy. Learn what replaces it, how the eye stays filled and why an adult eye can function without the gel.
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Short-sighted before cataract surgery: should you keep your near vision?
If you are short-sighted, aiming for 6/6 or 20/20 distance vision after cataract surgery can change your reading vision. Compare distance and near targets.
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Can eye floaters affect your quality of life?
Persistent eye floaters can affect everyday life, even with good eyesight. Dr Simon Chen explains the pebble-in-your-shoe analogy and what studies show.
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Rayner Sulcoflex lens: benefits, limitations and how it works
Sulcoflex is an add-on lens placed in front of an existing implant. Compare its aspheric, toric and trifocal options, evidence and surgical risks.
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How does the vitreous change with age?
Dr Simon Chen uses an egg analogy to explain how ageing vitreous gel becomes more liquid, separates from the retina and can sometimes cause a retinal tear.
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How does a gas bubble work in macular hole and retinal detachment surgery? How does a gas bubble help the retina heal?
A gas bubble acts like a temporary internal splint after retinal surgery. Learn how it supports macular hole closure and retinal detachment repair.
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Why can vision still look distorted after epiretinal membrane or macular hole surgery?
A tissue-paper analogy explains why some distortion can remain after membrane peeling or macular hole closure, and why retinal recovery takes time.
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Why does myopia increase the risk of retinal detachment and myopic macular degeneration?
A balloon analogy explains how a longer short-sighted eye can be more vulnerable to retinal tears, retinal detachment and myopic macular degeneration.
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What is a Weiss ring floater?
What a Weiss ring is made of, how it forms during posterior vitreous detachment, why it is named after Weiss, and what patients and optometrists should know.
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What is the best intraocular lens (IOL)?
There is no single best lens implant, just as there is no single best car. The right IOL depends on your lifestyle, visual priorities and eye health.
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Why your friend’s cataract lens implant may not be right for you
A friend’s favourite lens implant may not suit your eyes or priorities. Cake and jacket analogies explain cataract lens choice, focus and visual trade-offs.
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EDOF and multifocal lens implants: can you have your cake and eat it too?
Compare EDOF, multifocal and monofocal lens implants: glasses independence, contrast, haloes, optical trade-offs and realistic expectations after cataract surgery.
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Cataract surgery after radial keratotomy (RK): what changes in planning?
How previous RK changes cataract measurements, lens calculations, wound placement and IOL choice, with realistic expectations for fluctuations and refractive surprises.
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RayOne Galaxy lens: benefits, limitations and how it works
Understand RayOne Galaxy’s spiral optics, reading vision, haloes, toric option and lens materials, with current study evidence and practical limitations.
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Hydrophobic vs hydrophilic acrylic lens implants: pros and cons
Compare acrylic lens materials, capsule clouding, calcification, older Oculentis lenses, glistenings and the effects of air or gas in retinal and corneal surgery.
Read the articleCataract and retinal surgery articles
Cataracts and planning surgery
What cataracts are, and what to consider before surgery.
Do I need surgery?
When do I need cataract surgery?
When is it time for cataract surgery? A patient guide to daily activities, glare, eye checks, waiting, benefits and risks.
Read the articleCan cataracts be treated without surgery?
What glasses, lighting and glare control can help with, what the evidence says about cataract drops and supplements, and when to discuss surgery.
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What causes cataracts?
Most cataracts develop with age, but other factors can contribute. Why cataracts form, what may cause them earlier, and when further checks can help.
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What different types of cataracts are there?
A visual guide to common cataract patterns, injury-related changes and selected childhood cataracts, showing where clouding forms inside the lens.
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Does laser eye surgery cause cataracts?
Laser eye surgery acts on the cornea, not the lens. Why people who had LASIK often need cataract surgery earlier, and when implant lenses can cause cataract.
Read the articleHow do I choose a cataract surgeon in Sydney?
Choosing a cataract surgeon in Sydney: questions about experience, retinal checks, lens calculations, anaesthesia, complications and aftercare.
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Public or private cataract surgery: what is the difference?
Compare public and private cataract surgery in Australia: waiting times, surgeon choice, supervised training, lens options, equipment and costs.
Read the articleGetting your eyes ready
Dry eyes and cataract surgery: why a healthy tear film matters
Why dry eye matters for cataract lens measurements, toric planning and recovery. Learn about surface treatment, repeat scans and symptoms needing urgent help.
Read the article →How long should I stop wearing contact lenses before cataract or lens surgery?
Find out when to stop soft, rigid and scleral contact lenses before lens measurements, including advice for keratoconus, previous RK and corneal grafts.
Read the article →
Lid hygiene for blepharitis: how do I care for my eyelids?
Learn where the meibomian glands are and how to warm, gently massage and clean your eyelids to help control blepharitis symptoms.
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Tamsulosin and cataract surgery: what should you tell your surgeon?
Taking tamsulosin or took it years ago? Learn why it matters for cataract surgery, how surgeons plan for floppy iris syndrome and why not to stop it yourself.
Read the article →Special situations
Cataract surgery with myopia: retinal risks and lens choices
How a short-sighted eye changes cataract planning, from retinal checks and lens power to reading vision, monovision and anaesthesia.
Read the articleCataract surgery after LASIK, PRK or SMILE: what changes in planning?
Had LASIK, PRK or SMILE? Learn how previous laser surgery changes cataract measurements, lens choice and expectations, and which records to bring.
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Cataract surgery after radial keratotomy (RK): what changes in planning?
How previous RK changes cataract measurements, lens calculations, wound placement and IOL choice, with realistic expectations for fluctuations and refractive surprises.
Read the articlePseudoexfoliation: what does it mean for cataract surgery?
What pseudoexfoliation means for cataract surgery: weak zonules, dropped nucleus, capsular tension rings, glaucoma, genetics and retinal surgical support.
Read the articleSmall pupils and cataract surgery: why size matters
Small pupils restrict the view during cataract surgery. Learn why they occur and how viscoelastic, iris hooks and Malyugin rings help.
Read the articleCataract surgery with uveitis: why inflammation control matters
Cataract surgery with uveitis usually needs a quiet eye, a check of the macula and an individual anti-inflammatory plan before and after surgery.
Read the articleCapsular tension rings: when lens supports are weak
What a capsular tension ring does during cataract surgery, why it may help with weak zonules or pseudoexfoliation, and its limitations.
Read the articleChoosing a lens implant
How the types of lens implant differ, and how one is matched to your eyes and priorities.
Where to start
What is the best intraocular lens (IOL)?
There is no single best lens implant, just as there is no single best car. The right IOL depends on your lifestyle, visual priorities and eye health.
Read the article
Which lens implants are available in Australia?
Monofocal, enhanced monofocal, EDOF, multifocal and toric implants, what each is for, and how the choice is made.
Read the articleWhy your friend’s cataract lens implant may not be right for you
A friend’s favourite lens implant may not suit your eyes or priorities. Cake and jacket analogies explain cataract lens choice, focus and visual trade-offs.
Read the articleWhat intraocular lenses do eye doctors (ophthalmologists and optometrists) choose for themselves?
Dr Simon Chen explains eye doctors’ personal lens choices and the trade-offs of monofocal, mini-monovision and EDOF lenses.
Read the articleMatching a lens to your needs
Multifocal lens implants: benefits, haloes and who should avoid them
Understand multifocal lens implants: less dependence on glasses, haloes and night vision, who should avoid them, alternatives and what to ask before cataract surgery.
Read the articleEDOF and multifocal lens implants: can you have your cake and eat it too?
Compare EDOF, multifocal and monofocal lens implants: glasses independence, contrast, haloes, optical trade-offs and realistic expectations after cataract surgery.
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Toric lens implants: correcting astigmatism during cataract surgery
Toric implants can reduce astigmatism during cataract surgery. How they work, why measurements and alignment matter, and when glasses may still be needed.
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Blended vision and mini-monovision: how do they work?
How mini-monovision uses different focus in each eye to reduce reliance on glasses. Understand reading, night driving, lens choices and the trade-offs.
Read the article →Short-sighted before cataract surgery: should you keep your near vision?
If you are short-sighted, aiming for 6/6 or 20/20 distance vision after cataract surgery can change your reading vision. Compare distance and near targets.
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Cataract surgery with AMD: how should you choose a lens?
How AMD stage, contrast, astigmatism and everyday goals affect cataract lens choice, including monofocal, toric, enhanced monofocal and EDOF options.
Read the article →Technical detail
Hydrophobic vs hydrophilic acrylic lens implants: pros and cons
Compare acrylic lens materials, capsule clouding, calcification, older Oculentis lenses, glistenings and the effects of air or gas in retinal and corneal surgery.
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Ocular dominance: which eye should focus on distance?
Learn how to test your dominant eye, why home tests have limits, and how ocular dominance helps guide monovision in cataract and laser eye surgery.
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Defocus curves: what do they tell you about lens implants?
How to read the graph used to compare lens implants, what its shape means, and the questions it cannot answer.
Read the articleLens implants by name
Individual lens implants available in Australia, grouped by type.
Monofocal and enhanced monofocal
Alcon Clareon monofocal lens: design, benefits and limitations
Clareon is a monofocal cataract lens designed for a clear main focus. Its material, edge design, evidence and limits.
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RayOne EMV lens: benefits, limitations and how it works
How Rayner RayOne EMV extends focus, what mini-monovision adds, Australian availability, toric options, clinical evidence and remaining glasses needs.
Read the articleExtended depth of focus (EDOF)
Clareon Vivity lens: benefits, limitations and how it works
Alcon's non-diffractive extended-focus lens, with realistic expectations for glasses and night vision, and the evidence behind the design.
Read the articleThe Tecnis PureSee EDOF Intraocular Lens
A detailed guide to PureSee's refractive EDOF design, the vision to expect, its specifications and the evidence behind its benefits and limits.
Read the articlePureSee vs Clareon Vivity: EDOF lenses in Australia
Two extended depth of focus implants used in Australia, compared on range of vision, night driving and the head-to-head evidence.
Read the articleMultifocal and trifocal
PanOptix Pro: what should you know about this trifocal lens?
Understand PanOptix Pro trifocal lens implants: glasses, haloes, night driving, astigmatism, suitability and how the newer design compares with earlier PanOptix.
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enVista Envy lens: benefits and trade-offs
Understand the Bausch + Lomb enVista Envy trifocal lens: glasses use, haloes, toric correction, suitability and the Australian recall history.
Read the article →RayOne Galaxy lens: benefits, limitations and how it works
Understand RayOne Galaxy’s spiral optics, reading vision, haloes, toric option and lens materials, with current study evidence and practical limitations.
Read the articleAdjustable and add-on lenses
Light Adjustable Lens: benefits, limitations and how it works
How the Light Adjustable Lens works, Australian registration and access, LAL versus LAL+, adjustment visits, UV glasses, benefits, risks and evidence.
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1stQ AddOn lens: benefits, limitations and how it works
How the 1stQ AddOn supplementary sulcus lens can correct a remaining prescription or add near focus after cataract surgery, with benefits, risks and alternatives.
Read the articleRayner Sulcoflex lens: benefits, limitations and how it works
Sulcoflex is an add-on lens placed in front of an existing implant. Compare its aspheric, toric and trifocal options, evidence and surgical risks.
Read the articleSurgery and technology
How the operation is carried out and the equipment used.
How does digital guidance align a toric lens implant?
How image-guided registration helps align toric lens implants, how it compares with manual marking, and why perfect alignment and glasses-free vision are not guaranteed.
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Alcon UNITY VCS: cataract and retinal surgery technology explained
A plain-English guide to how UNITY VCS controls ultrasound, fluid, cutting and light during cataract and retinal surgery.
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How is eye pressure kept stable during cataract surgery?
Learn how irrigation, aspiration and surge control help keep eye pressure stable during cataract surgery, and what clinical studies have shown.
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What is the Yamane technique for fixing a lens implant?
When an implant cannot rely on the eye's usual support, Yamane fixation anchors it behind the iris. How it works and how it compares.
Read the articleRecovery after cataract or lens surgery
What to expect afterwards, and what can be done if vision is not as expected.
After cataract surgery
Recovery after cataract surgery: what to expect in the first six weeks
What to expect in the first six weeks after cataract surgery, from drops and sleeping to driving, work and new glasses.
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How to use eye drops: a practical guide
How to put in eye drops, space doses, use aids, store and travel with bottles, arrange repeat prescriptions and know when to ask a pharmacist for help.
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Will I need glasses after cataract surgery?
Will you need glasses after cataract surgery? Explore lens choices for reading, screens and night driving, with realistic benefits and trade-offs.
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Will my eye look different after cataract surgery?
Why a lens implant can cause a visible reflection in the pupil, what the AcrySof research shows, and how this differs from glare or flickering vision.
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Why is my vision blurry after cataract surgery?
Why vision may be blurry after cataract surgery, what a rotated toric lens can change, and when to seek urgent help.
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Negative dysphotopsia: a dark shadow after cataract or lens surgery
A dark arc at the outer edge of vision can occur after lens implantation. The suspected lens-edge mechanisms, how symptoms may change, and options that remain.
Read the articleComplications and further surgery
YAG laser capsulotomy for posterior capsule opacification
Why the capsule can cloud after cataract surgery, how YAG laser clears it, the two treatment patterns, recovery, floaters and retinal risks.
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Why can YAG laser make later lens exchange more complicated? YAG laser and later lens exchange
Why YAG changes the capsule, how lens exchange can still be performed, and why unresolved lens-related symptoms should be assessed before laser.
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Can a lens implant be replaced after cataract surgery?
IOL exchange: why an implant is sometimes replaced, what the alternatives are, how a replacement is secured, and what the risks are.
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Piggyback lens implants: correcting vision after cataract surgery
How Sulcoflex and 1stQ AddOn supplementary lenses can correct a remaining prescription after cataract surgery, with alternatives, recovery and risks.
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Recovery after refractive lens exchange: what to expect in the first six weeks
What the first six weeks after refractive lens exchange are really like, from the gap between the two eyes to night driving, sport, work and new glasses.
Read the articleDropped nucleus during cataract surgery: what happens next?
What a dropped nucleus means, why it happens, how vitrectomy and a fragmentome help, and what patients and optometrists can expect.
Read the articleFloaters
What floaters are, when flashes or floaters are urgent, and the options if they persist.
Is it urgent?
Flashes, floaters or a curtain in your vision: when is it urgent?
Learn what new flashes, floaters or a fixed shadow can mean, how your retina is examined, and when to contact an eye-care professional.
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Why do I have new floaters after cataract surgery?
New floaters after cataract surgery are often floaters that were already there, now easier to see, or a few specks from healing. Later, changes in the gel can add more. What to check, and when it is urgent.
Read the articleFloaters after YAG capsulotomy: what should I expect?
Why floaters can appear after YAG capsulotomy, how long they may last, what changes after vitrectomy, and when to seek urgent eye care.
Read the articleUnderstanding floaters
What are eye floaters made of?
What eye floaters are made of: collagen strands, Weiss rings, blood and inflammatory material, how they cast shadows, and when new symptoms need urgent care.
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How do eye floaters cause symptoms?
You see the pattern a floater leaves on your retina, not the floater itself. Why distance, bright light and movement change what you notice.
Read the articleWhat is a Weiss ring floater?
What a Weiss ring is made of, how it forms during posterior vitreous detachment, why it is named after Weiss, and what patients and optometrists should know.
Read the articleHow does the vitreous change with age?
Dr Simon Chen uses an egg analogy to explain how ageing vitreous gel becomes more liquid, separates from the retina and can sometimes cause a retinal tear.
Read the article →Can eye floaters affect your quality of life?
Persistent eye floaters can affect everyday life, even with good eyesight. Dr Simon Chen explains the pebble-in-your-shoe analogy and what studies show.
Read the articleWhy does myopia increase the risk of retinal detachment and myopic macular degeneration?
A balloon analogy explains how a longer short-sighted eye can be more vulnerable to retinal tears, retinal detachment and myopic macular degeneration.
Read the article →Treatment options
Can eye floaters be treated without surgery?
Most floaters settle with time. An honest look at VitroCap N, low-dose atropine, enzyme supplements and other non-surgical options.
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YAG laser for floaters: suitability, benefits and risks
Which floaters suit laser treatment, what improvement is realistic, the risks, and how it compares with surgery or leaving them alone.
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YAG laser or vitrectomy for floaters: how do I choose?
Laser or surgery for persistent floaters? How the type and position of your floaters, your lens and your age shape the choice, and what each can realistically achieve.
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When is vitrectomy worth considering for persistent floaters?
When floaters are still getting in the way after several months: what surgery achieves, its real risks, and when waiting or laser is the better choice.
Read the articleFloater surgery in detail
Vitrectomy for floaters: how and why do surgeons' approaches differ?
Floater surgery varies more between surgeons than many people expect. What each choice aims to do, and what the evidence shows.
Read the article25-gauge vs 27-gauge vitrectomy for floaters: does instrument size matter?
What 25-gauge and 27-gauge mean, how they compare on wound size, stitches, operating time and risks, and what the evidence does and does not show for floater surgery.
Read the articleVitrectomy for floaters: should the surgeon induce a posterior vitreous detachment? Floater surgery: should a PVD be induced?
Surgeons disagree about whether to lift the gel off the retina during floater surgery. Pros and cons, and what the studies show.
Read the articleAfter floater surgery
Recovery after vitrectomy for floaters: a week-by-week guide
What the first days and weeks are really like after floater surgery, from drops and showering to exercise, driving and travel.
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Can floater surgery cause a cataract?
Why removing the vitreous gel brings on a cataract in many eyes, who is most affected, and what it means for planning floater and cataract surgery.
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Vitreous frills after vitrectomy: what are they and can they be treated?
A vitreous frill is a term used for the visible edge of gel remaining near the edge of the eye after vitrectomy. Some patients notice it as a moving peripheral strand, ripple or shadow after surgery for floaters. Observation may be appropriate once the retina has been checked; persistent, troublesome remnants can sometimes be treated with further surgery.
Read the articleDoes the vitreous grow back after vitrectomy surgery?
The vitreous gel does not grow back after vitrectomy. Learn what replaces it, how the eye stays filled and why an adult eye can function without the gel.
Read the article →Retina, vitrectomy and combined surgery
Retinal conditions, recovery from vitrectomy, and operating on the cataract and retina together.
Retinal conditions
Epiretinal membrane: when should you consider surgery rather than observation?
When is epiretinal membrane surgery worth considering? Learn how symptoms, OCT changes and the risk of prolonged traction guide a choice between observation and surgery.
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What causes an epiretinal membrane?
How ageing and vitreous separation can lead to a membrane on the macula, other causes, and what patients and optometrists should look for.
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Vitreomacular traction: when should you observe or have surgery?
VMT can release naturally, but persistent traction may damage central vision. Explore monitoring, macular-hole risk and the benefits and risks of surgery.
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Macular holes, pseudoholes, foveoschisis and related foveal defects: how to tell them apart on OCT
Distinguish true holes from schisis, pseudoholes and focal outer-retinal defects, then describe cause, size and referral urgency.
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What is the difference between wet and dry AMD?
Wet AMD adds leaking abnormal blood vessels to underlying macular degeneration. Compare wet and dry AMD, their medical names and treatments.
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Retinal vein occlusion: symptoms, treatment and what to expect
A blocked retinal vein can cause bleeding and swelling inside the eye. What treatment can help, what recovery depends on, and why ongoing checks matter.
Read the articleRetinal surgery and recovery
Vitrectomy recovery: a week-by-week guide
Plan the first days and weeks after vitrectomy, understand gas and positioning restrictions, and know when to ask for help.
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Positioning after retinal surgery: a practical guide
Follow your individual positioning plan with practical advice on the 50-minute routine, sleeping, fallback positions and home support.
Read the articleHow does a gas bubble work in macular hole and retinal detachment surgery? How does a gas bubble help the retina heal?
A gas bubble acts like a temporary internal splint after retinal surgery. Learn how it supports macular hole closure and retinal detachment repair.
Read the articleWhy can vision still look distorted after epiretinal membrane or macular hole surgery?
A tissue-paper analogy explains why some distortion can remain after membrane peeling or macular hole closure, and why retinal recovery takes time.
Read the articleCataract and retina together
Should cataract and retinal surgery be done together or separately?
Combining cataract surgery and vitrectomy can mean one anaesthetic and one recovery. When that helps, when separate operations are better, and what the evidence shows.
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Cataract surgery with an epiretinal membrane: which operation first?
Cataract first, membrane first or both together? Learn how symptoms and OCT guide surgery, lens choice and realistic visual expectations.
Read the article →
Cataract surgery after vitrectomy: what is different?
Why a cataract follows vitrectomy, what makes the operation different in that eye, and how the lens implant and timing are chosen.
Read the articleWhy does vitrectomy cause cataracts?
Why removing the vitreous gel usually brings on a cataract, how soon it happens, why age matters, and whether to combine the two operations.
Read the articleHow do I make an appointment with Dr Chen?
Appointments and enquiries are made through Vision Eye Institute Chatswood.
Level 3, 270 Victoria Avenue, Chatswood NSW 2067For referrers
Optometrists, GPs and ophthalmologists can refer through Oculo or with the PDF referral form.
Vision Eye Institute confirms your appointment after you submit your request. The request form is not for emergencies. A referral is not strictly essential to request an appointment, but you need a valid one to claim a Medicare rebate for your consultation.