eye anatomy and function
the part of the eye that controls the amount of light that enters
what is the iris
this condition is also known as nearsightedness
what is myopia
this chart is commonly used to assess visual acuity
what is the snellen chart
this is the part of the ear that collect sound waves
what is the pinna (auricle)
this is the medical term for hearing loss due to aging
what is presbycusis
this transparent structure focuses light on the retina
what is the lens
this age related disorder makes it difficult to see up close
what is presbyopia
drops used to dilate the pupils before an eye exam (drug class)
mydriatics
these three small bones transmit sound to the inner ear
what are the ossicles (malleus, incus, stapes)
buildup of this can cause temporary hearing loss
what is earwax (cerumen)
this layer contains photoreceptor cells and is responsible for vision
what is the retina
what is a cataract
this surgical procedure removes a clouded lens
what is cataract surgery
what are the semicircular canals
this nerve transmits visual signals to the brain
what is the optic nerve
increased intraocular pressure characterizes this condition
what is glaucoma
this type of laser surgery reshapes the cornea to correct vision
what is LASIK
this snail shaped structure is essential for hearing
what is the cochlea
this type of hearing loss is caused by damange to the inner ear
what is sensorineural hearing loss
this gel-like substance helps maintain the eye's shape
what is the vitreous humor
this disorder causes central vision loss and effects the macula
the tonometry test is used to screen for this condition
this nerve carries auditory signals to the brain
what is the auditory (vestibularcochlear nerve)
what is Meniere's disease