Conditions & Treatments

Retinal and macular
conditions,
explained clearly.

I treat the full range of retinal, macular and vitreous disease at Asia Pacific Eye Centre, Gleneagles Hospital, Singapore. Each condition below has a detailed guide covering the warning signs, the treatment options, and what recovery involves. Start with your symptom or diagnosis, or contact the clinic if you are not sure where to begin.

17 Conditions covered in detail
15+ Years of specialist practice
116+ Peer-reviewed publications
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All Conditions & Treatments

High Myopia Long-Read

High Myopia: Why Glasses Aren't the End of the Story

A strong prescription is just the beginning. What decades of axial elongation silently do to the retina and macula — and what annual surveillance catches before it's too late.

Macular Surgery Patient Guide

Macular Hole: What It Is, Who Gets It & Face-Down Recovery

A gap dead centre in your vision — alarming, but highly fixable with surgery. Includes an honest guide to face-down positioning: what it involves, why it matters, and how to survive it.

Patient Guide Myopia Risk

Eye Floaters: When to Panic, When Not To

Most floaters are harmless. A sudden shower of them, or flashes alongside new ones, is not. A clear clinical decision framework — red, amber, green — for every scenario.

Cataract & IOL Surgical Guide

Dislocated Intraocular Lens: Causes, Symptoms & Surgery

An IOL implanted during cataract surgery can shift out of position years later — causing sudden double vision or blur. Why it happens, who is at risk, and what vitreoretinal surgery involves.

Macular DiseasePatient Guide

Epiretinal Membrane: When to Watch, When to Operate

A thin scar on the macular surface causing distortion and blur. The surgical decision is more nuanced than most patients realise — and knowing when not to rush matters.

Diabetic Eye DiseasePrevention First

Diabetic Retinopathy: What Every Diabetic Patient Must Know

The leading cause of preventable blindness in working-age adults. Almost entirely avoidable with timely screening — but it causes no symptoms until it is advanced.

Macular DiseasePatient Guide

Age-Related Macular Degeneration: What You Need to Know

AMD is the leading cause of vision loss in adults over 50. Understand dry vs wet AMD, when to seek urgent review, and how anti-VEGF injections have transformed outcomes.

Macular DiseaseTreatment Advances

Newer Treatments for Wet AMD & PCV

Injection treatment changed the outlook for wet AMD and PCV. A newer generation of therapies aims for steadier control, drier retinas, and fewer visits — explained in plain language, no brand names.

Clinical InsightFor Professionals

Imaging Biomarkers in DME: What the 2025 Evidence Says

A practitioner-focused synthesis for referring colleagues: how OCT biomarkers in diabetic macular edema predict outcomes, guide therapy selection, and refine monitoring.

Patient GuideMacular Treatment

Intravitreal Injections: What to Expect

A needle into your eye sounds alarming — most patients find it far more tolerable than they imagined. A step-by-step guide to what happens before, during, and after.

Patient GuideSurgical Treatment

Vitrectomy: What It Is, When It's Needed & What to Expect

The most common retinal surgery — removing the gel-filled eye centre to treat detached retinas, holes, floaters, and membrane complications. A complete pre-operative and recovery guide.

MyopiaParent Guide

Myopia in Children: Why It Matters & What Parents Can Do

Childhood myopia in Singapore is epidemic — 90% of teenagers are myopic. Early detection and intervention can slow progression and prevent lifelong complications. What every parent should know.

Cataract & IOLSurgical Guide

Cataract Surgery: Complex Cataracts, High Myopia & Post-Vitrectomy Eyes

Cataract surgery is the most common eye surgery worldwide — but cataracts in post-vitrectomy eyes and highly myopic eyes demand specialised expertise. A guide to standard and complex cataract surgery, combined phaco-vitrectomy, and IOL options.

Retinal VascularPatient Guide

Retinal Vein Occlusion: Causes, Treatment & Recovery

When a retinal vein becomes blocked, fluid and blood leak into the retina. A guide to BRVO vs CRVO, anti-VEGF treatment, and what to expect with recovery.

Macular DiseasePatient Guide

Central Serous Chorioretinopathy: What You Need to Know

Fluid leaks under the retina, causing blurred or dimmed central vision. Often affects stressed, young professionals. Most cases resolve — but some need treatment.

Macular DiseasePatient Guide

Polypoidal Choroidal Vasculopathy (PCV): An Asian Perspective

Up to 50% of cases diagnosed as wet AMD in Asia are actually PCV — a distinct condition requiring different treatment. Why accurate diagnosis with ICG angiography matters.

Experiencing any of these symptoms now?

These are ophthalmic emergencies. Do not wait for a scheduled appointment.

Shadow in vision Sudden floater shower Flashing lights Central distortion Sudden blur in cataract eye
Contact the Clinic Today
CW

Dr. Wong Chee Wai — About the Author

Dr. Wong is a vitreoretinal surgeon at Asia Pacific Eye Centre, Gleneagles Hospital, Singapore. He holds subspecialty certification in vitreoretinal surgery and a PhD in ocular drug delivery (Utrecht University). He has authored 116+ peer-reviewed papers (H-Index 36, 4,491 citations), co-edited a Springer textbook on myopia, and contributed to the WHO/IAPB international myopia guidelines. His primary research focus is myopic retinal disease, and his clinical focus is retinal surgery, macular disease, and the long-term ocular consequences of high myopia.

116+

Publications

H-36

H-Index

2

Patents

Have a concern about
your retina or vision?

Reading is a good start. A proper assessment with Dr. Wong — including dilated fundus examination and OCT — is the definitive step. Clinics at Gleneagles Hospital, Singapore.

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