EYE Structures
Sensitive layer of the eye that receives nerve impulses and transmits them to brain
Retina
Maintain moisture on the anterior surface of the eyeball
Lacrimal fluid Or tears
Which part of the year capture sound waves and transmits them into the external auditory canal?
Outer ear
Loss of transparency of the lens that causes a progressive loss of visual clarity
Cataract
pain in ear
otalgia
middle layer contains blood vessels and provides blood supply for the entire eye
choroid
These ducts collect tears and empty them into the Lacrimal sacs
Lacrimal Canals
tympanic membrane is also known as what
Eardrum
Gradually progressive condition in which the macula at the center of the Britain is damaged.
Macular degeneration
Condition of a ringing buzzing or roaring sound in one or both ears
Tinnitus
Increase the amount of light entering the eye the muscles of the iris m must
dilate
Passageway that drains excess tears into the nose
Nasolacrimal duct
transmits sound waves to the tympanic membrane
External auditory canal
What are the terms known as cross eyed and walleye
Esotropia and exotropia
Surgical repair restoration or alteration of the outer ear
Otoplasty
Responsible for sharp central vision
Macula
Secretion of tears
Lacrimation
Where is sound vibrations are converted into nerve impulses
cochlea
A condition in which the eye does not focus properly because of uneven curvature of the cornea
astigmatism
Narrow tubes that leave from the middle ear to the nasal cavity in the throat
Eustachian tube
Where is color vision best in
fovea centralis
Consist of the structures that produce store and removes tears
Lacrimal apparatus
structures of the inner ear are a maze-like system known as
labyrinth
A focusing problem that occurrs when the lens and Cornea do not bend light so that it focuses properly in the retina
Refractive disorder
What are the three small bones in the middle ear
malleus incus stapes