Hearing
tempanic membrane
helps detect colors
cones
Forms on the lens, cloudy progressive disorder that will cause vision loss, treatment option is surgery to replace lens.
cataracts
Deafness due to aging
prebycusis
structure part of the middle ear
incus
black and white
rods
impairment in the cones
color blindness
impacted ear wax in the ear causing hearing loss
cochlea
transmission of messages to the brain
optic nerve
farsightedness
hyperopia
ringing in the ear, often due to not proper hearing protection
tinitus
lies in the temporal bone and exists between the inner ear and posterior cranial fossa.
auditory canal
located in the retina
optic disc
myopia
symptoms include pain, fever, and fluid draining from the ear. Treatment consists of myringotomy
Otitis media
What order does the hearing pathway go in
Pinna>auditory canal>tympanic membrane>ossicles>cochlea>temporal nerve
What order does the vision pathway go in
Cornea>pupil>lens>retina>rods and cones>cochlea>temporal nerve
pink eye, redness, pain, swelling, and discharge
conjunctivitis
Symptoms include vertigo, nausea, vomiting, and tinnitus. Treatment is medication, rest, and fluids.
Menieres disease