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Cataract
Cataracts are very common. They cloud the lens of the eye, affecting vision, and are usually a consequence of ageing. Sometimes a cataract may form in younger patients as a result of trauma, intraocular surgery, repeated ocular inflammation, high myopia, diabetes, etc. All cataracts require treatment if they affect vision.
- Blurred and sometimes double vision when a cataract is forming.
- Photophobia (sensitivity to light).
- Better vision on cloudy days than on sunny days.
- Glasses are no longer required for near vision.
- Driving at night becomes more difficult.
- Difficulty reading
- Problems recognising faces
- Prescription glasses need to be changed more frequently.
- After the age of 50, myopia may worsen, or alternatively, eyesight may inexplicably improve. This occurs because the cataract can cause some changes to the lens, creating a magnifying glass effect.