Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...

Wet age-related macular degeneration (AMD) happens when abnormal blood vessels leak fluid into the macula. It can cause wavy lines, blurriness, and dark spots, but not peripheral vision loss. The ...

Caring for your eyes and vision are important parts of a healthy lifestyle. Vision screening is a simple test of your vision that can detect problems early. An eye exam is a detailed check of your ...

Visual acuity -- the ability to discern letters, numbers, and objects from a distance -- is essential for tasks including recognizing a friend across a room and driving. Researchers previously assumed ...

In a somewhat paradoxical twist, a few extra minutes of screen time can now actually help, rather than hurt, your eye health. That eye-catching claim has become a reality courtesy of the FDA, which ...