loading...
« Previous 1
Click flashcard terms on the left to see their definitions.
High Scores
There are no High Scores Yet.
Share This List

All terms in this list:

Eye: The organ that contains all the structures needed for sight.

Lens: A curved piece of transparent material, usually glass or plastic that refracts light. A lens is also found in the human eye.

Pupil: An opening in the eye that allows light to enter and be detected.

Retina: The lining of cells at the back of the eye. The retina senses the light reflected from the objected and sends nerve signals to the brain.

Iris: The muscular structure that opens and closes the pupil.

Opitc Nerve: The nerve that carries information from the eye to the brain.

Hand Lens: A magnifying lens that aids in seeing small objects.

Magnify: When a lens reflracts light and increases the size of an obeject's image.

Reflection: When light bounces off of an object.

Refract: When light passes through a transperent object and is bent or redirected in a different direction.

Resolution: The process that makes fine details more clearly visible.

Field Of View: The portion of a object that is visible through a hand lens or other viewing device.

Cornea: The outer layer of the eye, which helps focus light.

Brain: The part of the body that controls all voluntary and involuntary functions and all sensory function.

Friends with BookmarkOS

Definitions from Wiktionary under the GNU FDL.
Sentences copyrighted by their respective publishers.
terms of service privacy policy