What are Cataracts? The natural lens in the eye is perfectly clear, but will naturally become cloudy with age- referred to as a 'cataract'. Eventually, the vision becomes hazy and the lens will need to be removed, as it causes burred vision, and often times is associated with nighttime glare. What Are the Symptoms of Cataracts? Symptoms of cataract include: Clouded, blurred, or dim vision. Also reduced quality of night vison, often associated with nighttime glare with driving. Many patients will also note difficulty reading, and the fading of colors.