What Is a cataract? A cataract develops when the clear lens inside the eye becomes cloudy, often due to ageing, diabetes, eye injury, specific medications, or prolonged sunlight exposure. Signs may include blurred vision, glare and halos around lights, dull colours, frequent power changes, and difficulty with night driving. Cataracts https://www.tumblr.com/medjournalhealthcare/816496736152502272/clear-vision-starts-here-advanced-cataract-eye