The chart priced at $2,200 has a metal lamp visor and a linen scroll with letters of different sizes. There doesn’t seem to be any type of antique that isn’t sold at auctions, flea markets or shops.

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 ...

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 ...

Most people visit their eye doctor when something feels off—blurry vision, eye irritation, headaches, or when it’s simply time for new glasses. But what if your eye care worked more ...

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 ...

An eye doctor has addressed a common source of confusion during routine eye exams, explaining how the process works in a now viral video. Dr. Claudine Courey, also known as Dr. C or @eyedropshop ...

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 ...

Many people only think about their eyes when something feels wrong. Blurred vision, headaches, or eye strain often become the trigger for booking an appointment. However, eye health works quietly in ...