How do cataracts affect your vision?
A cataract is a clouding of the eye's naturally clear lens. Your eye becomes like a window that is frosted or yellowed.
How quickly the cataract develops varies among individuals and may even be different between the two eyes. Most age-related cataracts progress gradually over a period of year.
How do I use this simulator?
Drag the slider from left to right to see how this condition progresses. The further to the right, the more advanced the condition.
Related Diseases & Conditions
Eye HealthLifestyle Topics
Preserve Your Child's Vision
Screen your child's vision when they are born and again during infancy, preschool and school years.
Eye exercises and vision therapy won't cure a learning disability.
A Sign of Strabismus?
Are your child's eyes misaligned? She may squint one eye in bright sunlight if it does not look straight ahead.
Children and Contact Lenses
Is your child ready? Ask yourself if he can your follow directions consistently and handle chores independently?
Cellulitis and Surgery
Surgery can lead to cellulitis infection. Follow the instructions your child’s doctor or dentist gave you following surgery.
What Is an Ophthalmologist?
Are You Fit at 40?
A baseline eye exam is recommended at age 40, when the signs of disease and changes in vision may start to occur.