Eye color is determined by the amount of melanin present in the iris of the eye, which develops as newborn babies grow.

Cataracts arise when proteins build up on the lens of the eye, proteins that turn the lens yellow and block or scatter light.

The mesmerizing colors of human eyes—from deep browns to vibrant blues, subtle greens, and rare ambers—result from intricate genetic factors that influence melanin production in the iris. This same ...

Dogs are partially colorblind — here's what colors they can and can't see and how their vision differs from ours.

This risky trend is iris-istable. An ophthalmologist with 3.4 million followers on TikTok has gone viral due to his specialization in changing people’s eye color permanently. Dr. Brian Boxer Wachler ...

From velvety purples to fiery reds, many people can see a spectrum of vivid colors via the human eye. Others, however, may have limited hue perception due to certain conditions. Animals, on the other ...

Eyemart Express reports that adults should have yearly eye exams; children need them starting at 6-12 months to ensure ...

The sheer variety of color options for sunglasses lenses can make choosing a pair feel overwhelming. Summer days and outdoor adventures go hand in hand. You know what else goes alongside? A great pair ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Night vision is typically monotone—everything the wearer can see ...

Parkinson’s disease can cause or contribute to a number of different problems with your eyes and vision — problems that may not always be easily recognized or screened for. “Historically, there hasn’t ...