What are the most common reasons for cataract surgery in Singapore?

Doctor's Answers 1

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Dr Claudine Pang

Ophthalmologist

The most common causes of cataracts are:

  • Age – We will all develop a cataract when we get older. It’s a matter of how severe the cataract is and whether our vision is impaired by it, that determines whether or not we need surgery.
  • Excessive sunlight exposure – We know that ultraviolet rays from sunlight exposure is a major risk factor for cataract formation. Hence, with cumulative exposure to sunlight without proper UV protection, we will need cataract surgery sooner than most.
  • Improper or prolonged steroid use – Steroid medication in any form can lead to early cataract formation. This includes steroid eyedrops, steroid inhalers and nasal sprays.
  • Diabetes mellitus – Elevated blood sugar level can lead changes in the lens proteins which bring about early cataract.
  • High myopia – People with higher degrees of myopia or short-sightedness are more like to get cataract earlier in life.

Similar Questions

When should I have cataract surgery, and what will happen if my cataracts are not removed?

Cataract surgery is not always an elective procedure. Occasionally, a cataract may progress very rapidly to cause severe visual impairment, as well as acute glaucoma. In these situations, the cataract needs to be removed urgently. In most other cases, cataract surgery is elective because cataract progression is usually very gradual. You should choose to have your cataracts removed when your vision deteriorates to a stage that it affects your quality of life. This is very dependent on each individual, your occupation and activities you like to do.

Photo of Dr Claudine Pang

Answered By

Dr Claudine Pang

Ophthalmologist

Is it best for the cataract surgery to be done with or without anesthesia?

I prefer to perform cataract surgery with my patients under monitored sedation (this is different from general anaesthesia or GA). Monitored sedation is when patients are completely asleep (without the need for GA) and under the close monitoring of an anaesthetist. Monitored sedation (unlike GA) is very safe, even for patients who have pre-existing medical conditions. I believe that patients have the best experience and are most comfortable when they are completely unaware of the ongoings of the surgery.

Photo of Dr Claudine Pang

Answered By

Dr Claudine Pang

Ophthalmologist

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