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. You may not recognize his name, ...

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 optometrist’s ...

My graphic design students love to design posters using the classic eye chart composition, and they frequently ask “What typeface should I use for this?” Not having a definitive answer has always been ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. An inscription reads “SEITZ TEST ...

Smartphone-based Snellen visual acuity charts has become popularized; however, their accuracy has not been established. This study aimed to evaluate the equivalence of a smartphone-based visual acuity ...

Dr Louise Allen created the testing system during the Covid pandemic A way for eye patients to assess their own sight has been introduced at a hospital after a test was developed during the Covid ...

We often think of an eye check-up as something to do only when vision blurs or we need new glasses. However, experts are in consensus that the eyes are a mirror to general health. Indeed, your eyes ...

A diabetes eye exam or screening may include imaging tests, a dilated eye exam, and looking at letter charts on a wall to check for diabetes-related eye complications. A diabetes eye exam involves ...