The brain attempts to fill in the missing area of any blind spot in the eye.
When I walk into a movie theater it takes about 7 - 10 minutes for these receptors to start working
The average blink lasts how long?
Newborn babies produce tears from the moment they first cry.
About how many people in the world are considered blind?
Eye transplants are becoming common as more people are willing to be organ donors.
All human tissues including the cornea contain blood.
Our retinas perceive the outside world as upside-down and our brain flips the image for us.
"20/20 vision" means you can see 20 feet in front of you as well as the average person can.
When the light-sensitive layer of tissue that lines the inside of the eye is lifted or pulled from its normal position.
Blue eyes appeared as a mutation about 6,000 years ago.
A temporary visual disturbance that can affect one or both eyes. Though frightening, the visual symptoms typically self-resolve without medication within 20 to 30 minutes, without any other symptoms such as headache.
Your eye is constantly making tiny jerking movements to stop objects from fading from your vision.
Some people are born with mismatched eye colours. This is called what?
Strands floating inside the eye’s vitreous fluid, casting shadows on the retina.
The human eye is equipped to comprehend all colors in our environment.