The most popular questions ( FAQs ) about the eyes from Google :
What part of your eye is the iris?
The colored part of the eye is the iris. It controls light levels inside the eye . The round opening in the center of the iris is called the pupil. The iris is embedded with tiny muscles that dilate (widen) and constrict (narrow) the pupil size :blink: .
What part of the eye is the cornea?
The cornea is the transparent, dome-shaped window covering the front of the eye. It is a powerful refracting surface, providing 2/3 of the eye’s focusing power. It gives us a clear window to look through.
Where is the retina in your eye?
The retina is the light-sensitive tissue lining the back of our eye. Light rays are focused onto the retina through our cornea, pupil and lens. The retina converts the light rays into impulses that travel through the optic nerve to our brain, where they are interpreted as the images we see.
Is your eye a muscle?
There are six muscles that are present in the orbit that attach to the eye to move it. These muscles work to move the eye up and down, side to side, and to rotate the eye. The superior rectus is an extraocular muscle that attaches to the top of the eye.