Differentiating between two subtly different shades is a notoriously difficult task for some of us. Slight variations in ...

Ready to challenge your brain and your eyes at the same time? This optical illusion and IQ-style test is designed to check how sharp your observation skills really are. It looks easy at first, but ...

Visual impairments are often overlooked in research and clinical settings. As many cognitive tests are visually-based, eyesight deficiencies may affect test scores. This is an important caveat, ...

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 ...

The 10-minute eye test that can protect your vision. Dr. Parul Sony reveals early signs you should never ignore to save your sight. TheHealthSite.com ...