Eye dilation usually lasts four to six hours, but it can last longer depending on various factors. Light-colored eyes may stay dilated longer after an exam. After an eye exam, you may receive special ...

On the other hand, Dr. William Barlow of the University of Utah's Moran Eye Center notes, "Dilation isn't always required. In fact, if you are seeing your eye doctor solely to get a prescription, ...

Experts disagree on who needs it and when. Here’s what the evidence suggests. By Michelle Crouch Perhaps the most unpleasant part of an eye exam is when the doctor squeezes in the dreaded drops to ...

Dilating drops enlarge the pupil for a better view into the back of the eye. Though dilation typically makes you light sensitive and blurs your reading vision for a few hours, it is an important part ...

The iris is a structure behind the transparent cornea of the eye. It has a circular opening called the pupil that changes size in response to the light level. Your pupils are usually the same size as ...

Diabetic eye disease is the leading cause of blindness among people ages 40 to 60. The longer you have diabetes, the greater your likelihood of developing vision problems increases. Keeping blood ...