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 ...

A group of researchers is calling on the South Australian government to implement a universal vision screening program for ...

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 ...

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.

As stay-at-home orders drag on, many of us are looking for ways to DIY tasks we used to outsource to professionals. While self-treating anything you’d normally visit a doctor for requires more care ...

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 ...

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 ...