A visual acuity test is one of the most important parts of an eye exam. Visual acuity is a measure of how well you can see. A visual acuity test helps your eye health provider determine whether or not ...

Every year, tech and television companies boast their products’ latest and greatest, highest-resolution displays. The 4K ...

What does 20/20 vision mean? When you visit your doctor or an eye care professional, you may be asked to read an eye chart. You may be told you have normal 20/20 vision. What does that really mean? An ...

What if you could give yourself a standard eye exam at home? That’s the idea behind [Joel, Margot, and Yuchen]’s final project for [Bruce Land]’s ECE 4760—simulating the standard Snellen eye chart ...

This week’s question was asked by: a close relative. QUESTION:Why is there that big E on the top of eye charts? ANSWER: We can credit Dr. Hermann Snellen, a Dutch ophthalmologist at the Netherlands ...

What if you could give yourself a standard eye exam at home? That’s the idea behind [Joel, Margot, and Yuchen]’s final project for [Bruce Land]’s ECE 4760—simulating the standard Snellen eye chart ...

Every year, TV makers promote sharper, clearer screens, but there’s a point where your eyes can’t tell the difference.

Scientists discover a new way to figure out how sharp a 4K picture looks to a person from their unique viewing position.

With more than 150 million people in the United States (nearly half of the population) requiring some form of corrective eyewear to compensate for visual impairment, chances are you have had 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 ...