What do you mean by cataract? A cataract forms when the natural lens of the eye becomes blurred, often due to aging, high blood sugar, ocular trauma, specific medications, or prolonged sunlight exposure. Common symptoms include dim vision, light sensitivity, reduced colour clarity, frequent power changes, and trouble driving at https://www.tumblr.com/medjournalhealthcare/816496736152502272/clear-vision-starts-here-advanced-cataract-eye