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 ...

Scientists in California claim to have discovered a new jaw-dropping color no human has ever seen before. The catch? You have to zap your eyes with laser pulses to see it. Five scientists at the ...

Associate Professor, Optometry and Vision Science, UNSW Sydney and Clinical Associate Professor, Save Sight Institute, Clinical Ophthalmology, University of Sydney When we talk about eye colour, we’re ...

Millions globally live with colour blindness, often unaware of their condition. An optometrist shares a quick, one-minute ...

Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color. When you purchase through links on our site, we may earn an affiliate ...

Davinia Beaver does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Caring for your eyes and vision are important parts of a healthy lifestyle. Vision screening is a simple test of your vision that can detect problems early. An eye exam is a detailed check of your ...