the adjustment of the eye that allows a person to see various sizes of objects at different distances
amblyopia
reduction or dimness of vision with no apparent organic cause , often reffered to as lazy eye syndrome
audiologist
an allied healthcare professional who specializes in the evaluation of hearing function detection of hearing impairment and determination of the anatomic site of impairment
cones
structures in the rretina that make the perception of color possible
fovea centralis
a small pit in the center of the retina that is considered the center of clearest vision
gonioscopy
a procedure in which a mirrored optical instrument is used to visualize the filtration angle of the anterior chamber ot the eye , the procedure is used to diagnose glaucoma
hertz
a unit of measurement used in hearing examinations a wave frequency equal to 1 cycle per second
miotic
any substance or medication that causes constriction of the pupil
mydriatic
a topical ophthalmic medication that dilated the pupil it is used in diagnostic procedures of the eye and as a treatment for glaucoma
optic disc
the region at the back of the eye where the optic nerve meets the retina , it is considered the blind spot of the eye
optic nerve
the second cranial nerve carries impulses for the sense of sight
otosclerosis
the formation of spongy bone in the labyrinth of the ear which often caused the auditory unable to vibrate when sound enter the ear
ototoxic
a medicine or substance capable of damaging the eight cranial nerve or the organs of hearing and balance
psoriasis
a usuall chronic recurrent skin disease marked by bright red patches covered wht silvery scales
seborrhea
an excessive discharge of sevum form the sebaceous glands forming greasy scales or cheesy plugs on the body
tonometer
an instrument used to measure intraocular pressure
ophthalmology
is the science of the eye and its disorders and diseases
ophthalmologist
a physician who specializes in the diagnosis and treatment of the disease.
diagnose eye disorder
prescribe medication
conduct eye screenings
prescribe glasses or contact lenses
perform optic surgery
optometrist
is not a medical doctor but is licensed and has earned a degree as a doctor of optomery OD
opticians
are trained to fill prescriptions written by ophthalmologis and optometrists
the eye blinks every
2 to 3 seconds
hyperopia
farsightednes light behind retina
difficulty seeing object that are close at reading or working level