A refraction is the examination an ophthalmologist (eye M.D.) or optometrist (O.D.) uses to measure the amount of vision correction you need. If you wear glasses or contacts or are interested in refractive surgery, this exam is essential. Your doctor needs to evaluate your vision carefully to write an accurate prescription for corrective lenses or plan refractive surgery.

Computer monitors emit levels of radiation that are considerably lower than the maximum allowed for safety, according to a study by the National Institute for Occupational Safety and Health. NIOSH compared the maximum radiation levels in a group of monitors with the safety standards.

We have a wealth of information in our LASIK & Vision Surgery section.

That depends on how responsible you are; this decision is best made jointly between you, your parents and your eye doctor.

A cataract is a cloudiness of the lens in your eye that prevents light from passing to the retina, which can impair your vision. Cataracts form naturally as you age and sometimes remain small and unnoticeable. But with more developed cataracts, it’s like constantly viewing the world through a foggy window.

The American Optometric Association (AOA) recommends that adults wearing glasses or contacts and adults aged 61 and older should see their eye doctor every year or as recommended. If no vision correction is required, adults aged 18 to 60 should have eye exams every two years.