Color blindness, or color vision deficiency, causes a person to see colors differently from most other people. There are several types of color blindness. Color vision deficiency or loss has multiple ...

In the specialized fields of ophthalmologyand optometry, doctors measure sight by having you focus on a central point while keeping your head still. You’ll also be able to see above and below the ...

Please provide your email address to receive an email when new articles are posted on . Mobile apps can successfully mimic paper-based visual function tests, results showed. Such apps may expand ...