Eye

Eye - The human is an organ that converts light into a set of electrical signals and transmits these signals to the brain.

Q. Why do eyes of animals shine in the night ? 

ans.- They have a special type of reflective layer behind the pupil of their eyes known as tapetum lucidum.

Cornea - The cornea is the outer layer at the front of the eye . transparent structure at the front of the eye.

1. The cornea helps our eye to focus light so we can see clearly.
2. The cornea acts as the eye's outer most lens. controls and focuses the entry of light into the eye.
3. The cornea is shaped like a dome and bends light to help the eye focus. It is the eyes primary light focusing structure.
4. कॉर्निया में रक्त वाहिका नहीं पायी जाती है। इसमें तंत्रिका जाल है।