5 Facts About your Eyes you should know

By shah

Eye is  the second most complex organ after brain
Facts about eyes one should know

1.Your eyeballs stay the same size from birth to death,

2. An eye is composed of more than 2 million working parts.

3. Human eyes have about 13 crore light  receptors

4. Red eye” occurs in photos because light from the flash bounces off the back of the eye. The choroid is located behind the retina and is rich in blood vessels, which make it appear red on film.

5. A fingerprint has 40 unique characteristics, but an iris has 256, a reason retina scans are increasingly being used for security purposes.