Eye And Vision Flashcards
Difficulty focusing on both far and close objects.
Astigmatism
Sends electrical impulses from the retina to the brain.
Optic nerve
Rich in blood vessels and provides nutrients and removes waste from eye
Retina
Sensitive to the level of light and provide vision in black and white
Rods
Another name for hyperopia
Farsightedness
Another name for myopia
Nearsightedness
Main structure involved in focusing light in the eye
Lens
Tough,white outer layer of the eye
Sclera
These muscles control the shape of the lens and therefore how light is focused
Ciliary muscles
The iris is similar to the ____ of a camera
Diaphragm
The structure controls how much light is allowed into the eye
Iris
This structure, which surrounds the eye, cushions and protects the eye.
Fat
The ____ ligaments link the ciliary muscles to the lens.
Suspensory
See clearly in the distance but cannot focus up close
Hyperopia
The opening that allows light into the eye
Pupil