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.
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