To use an eye chart at home, you’ll need to: Print the chart. Place the chart on a wall with no windows on it. Place a chair 10 feet away from the wall. Sit in the chair.

We asked eye doctors about the best vision tests to do at home and the best places to order glasses and lenses at online from places like 1-800 Contacts, Warby Parker, and Zenni Optical.

The eye chart you’ve known for your whole life is a lie. Because the letters you read off of it don’t actually make up a whole alphabet. While you’ve probably never noticed it from the ...

Almanac: The eye chart 01:48. And now a page from our "Sunday Morning" Almanac, January 18th, 1908, 107 years ago today . . . the day the Dutch ophthalmologist Herman Snellen died at the age of 73.

In his famous eye chart, each row represents a different dioptre, which measures the distance you would have to be from the text to read it. Monoyer also inserted his name into the chart.