| A | B |
| BINOCULAR VISION | ability to see an object with both eyes at the same time |
| IRIS | varies in color and ocntrols the amount of light the eye |
| CORNEA | clear covering of iris and pupil that protects the eye frome dust particles adn foreign matter |
| PUPIL | opening in the eye through which light passes |
| TEARS | saline liquad that washes th eye and keeps the cornea moist |
| EYELID | large folds/flaps of skin that wipes thr eye clean and spread the tear |
| EYELASHES | hairs on the eyelid used to screen large objects from entering the eye |
| LENS | flexible disc shaped structure that focuses the image of an object |
| EYEBALL MUSCLES | six muscles that are attached to the sides of the eye, they keep the two eyes focused on a single piont |
| AQUEOUS HUMOR | transperant liquad behind cornea that helps keep the corneas shape |
| RETINA | the light -sensitive innermost layer of the eye that contains cones and rods. The image is porjected in the cones and rods in the retina and let us see colors and shades of black and white. |
| OPTIC NERVE | carries signals from the eye to the brian |
| BLIND SPOT | area of the retina that the optic nerve enters and there are no cones or rods |
| SCLERA COAT | tough, white, outer layer of the eye, makes the ball that gives the eye its shape |
| VTEROUS HUMOR | transparent jello like sbstance that fills the eye for lens to retina, helps the eye keep its shape |
| CHORID | middle layer of the eye between the retina and the scalera, contains the blood vessels |