Special Senses Flashcards
Optic nerve
The nerve that carries impulses from eye to the brain is the optic nerve
Sclera
The white outer layer of the eye is called the sclera
Aqueous humor
The thin, watery fluid in the anterior chamber of the eye is the aqueous humor
Vitreous humor
The jelly like substance that fills the posterior chamber behind the lens is the vitreous humor
Lens
The divided point between the anterior and posterior portion of the eye is the lens
Muscle
The iris of the eye is made up of muscle
Conjunctiva
The eyelids are covered on their surfaces by the mucous membrane called the conjunctiva
Lacrimal glands
Tears that bathe the eyeball and keep it moist are produced by the lacrimal gland
Rods
Night vision is concerned with retinal cells known as rods
Comes
Daylight vision and color are permitted by retinal cross known as cones
Blind spot
The optical disc contains no visual receptors and is therefore called the blind spot
Optic lobe
The lobe of the brain where visual patterns are interpreted is the optic lobe
Myopia
The term for nearsighted people is called myopia
Hyperopia
The term for farsighted people is called hyperopia
Stigmatism
Irregular curvature of the lens results in a disorder known as stigmatism