Symptoms
Cataract usually causes a gradual deterioration of vision, objects becoming less and less clear until eventually all sight is lost. Often more light than before is needed to see and to read. Colours may seem muted or yellow and there may be glare on a sunny day or when driving at night. Another symptom is increasing short sight, necessitating frequent changes in the glasses prescription. Cataract is usually present in both eyes although it may be more advanced in one eye.

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