Good eyesight lets us stay independent, read the newspaper, recognise a grandchild across the room, and move about safely. As we age, the eyes change, and cataracts become one of the most common reasons vision fades. Learning about cataracts and eye health helps older Singaporeans notice problems early and get the right care. This guide is general information, not medical advice. Only an eye doctor can examine your eyes and tell you what is happening and what to do.
What a Cataract Actually Is
Inside the eye is a clear lens that focuses light so we see sharply. A cataract is a clouding of that lens, a bit like looking through a foggy or frosted window. It usually develops slowly over years, most often as part of ageing, so many people do not realise how much their vision has dimmed until it is compared with the other eye or with new glasses.
Cataracts are very common in later life, and they are not dangerous in the way an infection is. Left alone, however, they can keep worsening until daily tasks become difficult. The good news is that cataracts are treatable, and an ophthalmologist can advise when and whether treatment makes sense for you.
Other things can raise the risk or speed things up, including long exposure to strong sunlight, smoking, diabetes, and some medicines. Managing general health, protecting the eyes from glare, and not smoking all support eye health, even though ageing itself cannot be stopped.
Signs of Cataracts and Other Eye Changes
Because it is gradual, cataract vision loss can be mistaken for “just needing new glasses”. Watch for these clues:
- Blurred, cloudy or dimmed vision that new glasses do not fully fix.
- Colours looking faded or yellowed.
- Glare or halos around lights, which makes night driving harder.
- Needing brighter light to read.
- Frequent changes in your spectacle prescription.
- Double vision in one eye.
Not every eye problem is a cataract. Older adults are also more prone to conditions such as glaucoma, age-related macular degeneration, and diabetic eye disease. Some of these cause little discomfort until sight is already affected, which is exactly why regular eye checks matter even when your vision feels fine.
You should seek urgent care, not a routine appointment, if you have sudden vision loss, a sudden shower of floaters or flashing lights, a curtain or shadow moving across your vision, sudden eye pain with redness, or vision loss after an injury. These can signal serious, time-sensitive problems, so treat them as an emergency.
Getting Your Eyes Checked in Singapore
A regular eye examination is the best way to catch problems early. You might start with an optometrist for vision and glasses, or with a GP or polyclinic who can refer you. An ophthalmologist is a medical eye specialist who diagnoses and treats eye disease, including cataracts. If you have diabetes or high blood pressure, follow the eye-screening advice your doctor gives, since these conditions affect the eyes.
During a check, the eye care professional measures your vision, examines the lens and the back of the eye, and may check eye pressure. They can tell a cataract apart from other causes of blurred sight, and explain what stage you are at. Nothing about the exam should be painful, and it is worth doing even if you think your eyes are fine.
For costs and help, ask at the point of care. Subsidies at public healthcare institutions, CHAS for eligible patients, and MediSave use for certain procedures may apply, but eligibility and amounts differ by citizenship, age and income, and they change over time. Confirm the current details with the clinic, the Agency for Integrated Care, or HealthHub rather than relying on old figures.
How Cataracts Are Treated
In the early stages, stronger glasses, better lighting and reducing glare may be enough to cope. When a cataract interferes with the things you need to do, an ophthalmologist may discuss surgery. Cataract surgery generally involves removing the cloudy lens and replacing it with a clear artificial one. It is a common, well-established operation, but whether and when to have it is a personal medical decision made with your specialist, based on your eyes and your daily needs.
Only a doctor can advise on your case, so use the guide below to prepare questions rather than to decide for yourself.
| What you notice | A reasonable step | Who to see |
|---|---|---|
| Gradual blur that glasses do not fix | Book a full eye examination | Optometrist or ophthalmologist |
| Glare, halos, harder night vision | Get the lens assessed | Ophthalmologist |
| You have diabetes or high blood pressure | Follow recommended eye screening | GP, then eye specialist |
| Sudden vision loss, flashes, or a shadow | Seek urgent care immediately | Emergency or eye specialist |
Protecting Your Eyes as You Age
You cannot stop ageing, but daily habits support eye health. Wear sunglasses and a hat in strong sun to reduce glare and ultraviolet exposure. If you smoke, getting help to stop benefits your eyes as well as the rest of you. Keep conditions such as diabetes and blood pressure well controlled with your doctor, since they affect the small vessels in the eye.
Make the home safe for changing vision by improving lighting, reducing clutter, and using contrast on steps and edges. Keep your glasses prescription up to date, and give your eyes rest during long reading or screen time. Most importantly, keep up with regular eye checks, because catching problems early usually gives the best outcome.
When to See an Eye Doctor
See an eye care professional for routine checks as you age, and sooner if your vision is getting worse, glare is bothering you, or reading is becoming hard. Go urgently for sudden vision loss, new floaters or flashes, a shadow across your sight, sudden eye pain, or any eye injury. If you have diabetes or high blood pressure, follow your doctor’s eye-screening advice closely. This article is general education only, so let your own ophthalmologist examine your eyes and decide what treatment, if any, is right for you.
Explore more
Caring for your senses is part of ageing well. If you are protecting your eyes, also look after your ears with our guide to hearing loss and hearing aids for seniors, keep your smile healthy with dental care for seniors, and stay steady on your feet by reading about osteoporosis and bone health.