Medical Terminology Chapter 11 Special Senses

opt/i, opt/o, optic/o, ophthalm/o

ir/i, ir/o, irid/o, irit/o

phac/o, phak/o

retin/o

dacryocyst/o, lacrim/o

acous/o, acoust/o, audi/o, audit/o, ot/o

pinn/i

myring/o, tympan/o

labyrinth/o

eyelid

hearing

iris, colored part of the eye

horny, hard, cornea

tympanic membrane, eardrum

eye, vision

vision condition

ear, hearing

lens of the eye

old age

retina, net

sclera, white of the eye, hard

turn, change

tympanic membrane, eardrum

right eye (oculus dexter)

left eye (oculus sinister)

both eyes

20/20 the normal relationship between the refractive power of the eye and the shape of the eye that enables light rays to focus correctly on the retina.

a physician who specializes in diagnosing and treating the full spectrum of diseases and disorders of the eyes, from vision correction to eye surgery.

holds a doctor of optometry degree and provides primary eye care, including diagnosing eye diseases and conditions, and measuring the accuracy of vision to determine whether corrective lenses are needed.

is a health care practitioner who designs, fits and dispenses lenses for vision correction.

the drooping of the upper eyelid that is usually due to paralysis.

a nodule or cyst, usually on the upper eyelid, caused by obstruction in a sebaceous gland.

aka a stye, a pus-filled and often painful lesion on the eyelid resulting from an acute infection in a sebaceous gland.

swelling of the tissues surrounding the eye or eyelashes.

aka pink eye, an inflammation of the conjunctiva that is usually caused by an infection or allergy.

aka dry eye, drying of the eye surfaces, including the conjunctiva.

an inflammation of the uvea causing swelling and irritation.

the most common form of uveitis, affects primarily structures of the front of the eye.

an injury, such as a scratch or irritation to the outer layers of the cornea.

an inflammation of the cornea.

an inflammation of the sclera.

the loss of transparency of the lends that causes a progressive loss of visual clarity.

particles of cellular debris that float in the vitreous humor and cast shadows on the retina.

group of diseases characterized by increased intraocular pressure that causes damage to the retinal nerve fibers and the optic nerve.

aka double vision, the perception of two images of a single object.

aka night blindness, a condition in which an individual with normal daytime vision has difficulty seeing at night.

the condition of common changes int he eyes that occur with aging.

aka crossed eyes, a disorder in which the eyes point in different directions or are not aligned correctly.

aka farsightedness, is a defect in which light rays focus beyond the retina.

aka nearsightedness, a defect in which light rays focus in front of the retina.

used to measure visual acuity.

aka funduscopy, the sue of an ophthalmoscope to visually examine the fundus of the eye.

of the eyes, required in preparation for the ophthalmoschopic examination of the interior of the eye.

the application of fluorescent dye to the surface of the eye via eye drops or a strip applicator.

Pupils are Equal, Round, Responsive to Light and Accommodation.

aka keratoplasty, the surgical replacement of a scarred or diseased cornea with clear corneal tissue from a donor.

the surgical removal of a portion of the tissue of the iris.

the general term used to describe the surgical removal of a cataract clouded lens.

uses a focused beam of light to create a hole in the iris of the eye.

Laser Assisted in Situ Keratomileusis, used to treat vision conditions, such as myopia, that are caused by the shape of the cornea.

used to reattach the detached area in a retinal detachment.

right ear, auris dexter

left ear, auris sinister

both ears

aka auricle, outer ear

an accumulation of earwax that forms a solid mass by adhering to the walls of the external auditory canal.

aka earache

any inflammation of the ear.

aka swimmer's ear, fungal infection of the external auditory canal.

inflammation of the middle ear.

sense of whirling, dizziness and loss of balance that are often combined with nausea and vomiting.

ringing in the ear or ears.

gradual loss of sensorineural hearing that occurs as the body ages.

the use of an audiometer to measure hearing acuity.

an instrument used to examine the external ear canal.

the surgical repair, restoration or alteration of the pinna of the ear.

aka tympanostomy tubes, tiny ventilating tubes placed through the eardrum to provide ongoing drainage for fluids and to relieve pressure that can build up after childhood ear infections.

the surgical removal of mastoid cells.

a small surgical incision in the eardrum to relieve pressure from excess pus or fluid, or to create and opening for the placement of ear tubes.

the surgical correction of damaged middle ear.

an electronic device that bypasses the damaged portions of the ear and directly stimulates the auditory nerve.

electronic devices that are worn to correct a hearing loss.