middle layer of the eye containing many blood vessels
CORNEA
transparent anterior part of the sclera that lies over the iris
IRIS
pigmented muscular structure that allows light to pass thru
LENS
lies directly behind the pupil; focuses and bends light
OPTIC NERVE
carries visual images from the retina to the brain
PUPIL
opening in the center of the iris
RETINA
innermost layer of the eye; contains the vision receptors
SCLERA(white of the eye)
outer protective layer of the eye
AURICLE(pinna)
external, visible part of the ear located on both sides of the head; directs sound waves to the external auditory meatus
EUSTACHIAN TUBE
passage between the middle ear and the pharynx; equalizes air pressure on both sides of the tympanic membrane.
external auditory meatus(canal)
short tube ending at the tympanic membrane
inner ear(labyrinth)
labyrinthlike bony spaces within the temporal bone of the skull that contains a corresponding membranous labyrinth; maintains sense of balance.
middle ear
consists of the tympanic membrane, eustachian tube, and ossicles
ossicles
bones of the middle ear(stapes, incus, and malleus) that carry sound vibrations
outer ear
consists of the auricle and external auditory meatus
tympanic membrane(eardrum)
semitransparent membrane that separates the external auditory meatus and the middle ear cavity
astigmatism(AST)
defective curvature of the refractive surfaces of the eye(cornea or lens)
cataract
clouding of the lens of the eye
detached retina
separation of the retina from the choroid, or middle coat of the eye
glaucoma
eye disorder characterized by optic nerve damage usually caused by the abdominal inc. of interocular pressure.
hyperopia
farsightedness
LASIK
a laser procedure that reshapes the corneal tissue beneath the surface of the cornea
macular degeneration (ARMD)
a progressive deterioration of the central portion of the retina resulting in a loss of central vision. when caused by the aging process it is referred to as age-related macular degeneration.
myopia
nearsightedness
optometrist
a healthcare professional who prescribes corrective lenses and/or eye exercises
otitis media (OM)
inflammation of the middle ear
tinnitus
ringing in the ears
bursa(pl bursae)
fluid-filled sac that allows for easy movement of one part of a joint over another
ligament
tough bands of fibrous connective tissue that attach one bone to another
tendons
band of fibrous connective tissue that attaches muscle to bone
carpal tunnel syndrom (CTS)
nerve entrapment disorder of the wrist caused by compression of the median nerve.
gout
disease in which an excessive amount of uric acid in the blood causes sodium urate crystals to be deposited in the joints.
muscular dystrophy (MD)
group of hereditary diseases characterized by degeneration of muscle and weakness.
nuclear medicine (NM)
diagnostic imaging test producing scans that give information about the body's anatomy by using radioactive material.
orthopedics (ortho)
the study and treatment of diseases of the musculoskeletal system.
rheumatoid arthritis (RA)
a chronic systemic disease characterized by inflammatory changes in the connective tissue throughout the body