Device

Intraocular lenses, IOLs, are artificial lenses implanted in the eye, most often to replace the natural lens during cataract surge...

Low vision services, or vision rehabilitation, aim to help people whose vision loss cannot be fully corrected by glasses, contact ...

Contact lenses are thin lenses placed directly on the surface of the eye to correct refractive errors or for therapeutic or cosmet...

Reading glasses are convex, plus powered spectacle lenses that magnify and bring near objects into focus, compensating for the los...

Sunglasses are tinted eyewear that reduce the brightness of visible light and, when appropriately manufactured, block ultraviolet ...

Safety glasses and other protective eyewear are designed to protect the eyes from impact, flying particles, chemical splashes, rad...

Blue light is visible light at the short wavelength end of the spectrum, roughly 400 to 500 nanometers. Sunlight is by far the lar...

Ophthalmic drops are liquid medicines formulated for application to the surface of the eye and are the most common way of deliveri...

Gene therapy for vision aims to treat inherited eye diseases by delivering functional genes or editing faulty ones in retinal cell...

A bionic eye, or visual prosthesis, is an implanted device that attempts to restore a degree of vision by electrically stimulating...

Guide dogs are assistance dogs trained to lead people who are blind or have low vision around obstacles and hazards. The dog works...

Braille is a tactile writing system used by people who are blind or have low vision, in which characters are formed by raised dots...

Scleral lenses are large diameter rigid gas permeable contact lenses that rest on the white of the eye, the sclera, and arch over ...

Progressive addition lenses are spectacle lenses whose power changes gradually from distance correction at the top to near correct...

The white cane is a mobility aid that lets people who are blind or have low vision detect obstacles, steps, curbs, and changes in ...