CMT - Ch 9 Eyes and Ear

Sclera

White of the eye.

Cornea

Clear anterior part over the iris/pupil.

Iris

Regulates light entering the eye.

Pupil

Opening in the center of the iris.

Lens

Focuses and bends light.

Retina

Contains vision receptors.

Choroid

Vascular middle layer of the eye.

Optic nerve

Transmits images to the brain.

Vitreous humor

Jelly-like substance behind the lens.

Aqueous humor

Fluid between the cornea and lens.

Conjunctiva

Mucous membrane over the sclera.

Lacrimal sac

Drains tears.

Auricle (pinna)

Outer ear.

External auditory canal

Conducts sound to the eardrum.

Tympanic membrane

Eardrum.

Eustachian tube

Equalizes pressure in the ears.

Cochlea

Hearing structure in the inner ear.

Semicircular canals

Maintain balance.

Vestibule

Involved in equilibrium.

Auditory nerve (CN VIII)

Carries sound information.

Ophthalm/o/logy

Study of the eye.

Ophthalm/o/logist

Eye specialist.

Ophthalm/o/scope

Eye exam tool.

Kerat/o/meter

Measures corneal curvature.

Retin/itis

Inflammation of the retina.

Blephar/itis

Eyelid inflammation.

Scler/itis

Inflammation of the sclera.

Irid/ectomy

Excision of the iris.

Irid/o/plegia

Paralysis of the iris.

Blephar/o/plasty

Eyelid repair.

Ot/o/rrhea

Ear discharge.

Ot/o/scope

Tool to examine the ear.

Myring/itis

Eardrum inflammation.

Tympan/o/plasty

Middle ear repair.

Audi/o/metry

Hearing test.

Ot/o/plasty

Ear reshaping.

Myring/o/tomy

Incision in eardrum.

Astigmatism (AST)

Irregular curvature of the cornea/lens.

Cataract

Clouding of the lens.

Glaucoma

Optic nerve damage from high intraocular pressure (IOP).

Hyperopia

Farsightedness.

Myopia

Nearsightedness.

LASIK

Corrective eye surgery.

Presbyopia

Age-related vision loss.

ARMD

Age-related macular degeneration.

Retinal detachment

Retina separates from the choroid.

Tinnitus

Ringing in the ears.

Presbycusis

Age-related hearing loss.

Vertigo

Spinning sensation.

Blurred vision

A common visual complaint where vision is not sharp or clear.

Eye pain

Discomfort or ache in or around the eye.

Photophobia

Extreme sensitivity to light.

Hearing loss

Partial or total inability to hear.

Audiologist

Specialist in hearing.

ENT (Otolaryngologist)

Ear, nose, throat specialist.

ophthalm/o

eye

retin/o

retina

scler/o

sclera

kerat/o

cornea

blephar/o

eyelid

irid/o

iris

-itis

inflammation

-ectomy

removal

-plegia

paralysis

-plasty

surgical repair

-scope

instrument to view

-meter

instrument to measure

ot/o

ear

audi/o

hearing

myring/o

eardrum

tympan/o

middle ear

-rrhea

discharge

-tomy

incision

-metry

process of measuring

ARMD

macular degeneration

AST

Astigmatism

Ophth

Ophthalmology

VA

Visual acuity

IOP

Intraocular pressure

OM

Otitis media

ENT

Ear, nose, throat

HOH

Hard of hearing

Otolaryngologist

ENT specialist

Tinnitus (Sign/Symptom)

ringing in the ears

Cataract (Disease)

clouding of the lens

Glaucoma (Disease)

optic nerve damage from high IOP

ARMD (Disease)

Age-related macular degeneration

Otitis media (OM)

inflammation of the middle ear

Presbycusis (Disease)

age-related hearing loss

Ophthalmoscope (Diagnostic)

eye exam tool

Keratometer (Diagnostic)

measures corneal curvature

Audiometry (Diagnostic)

hearing test

Otoscope (Diagnostic)

tool to examine ear

LASIK (Surgical Procedure)

corrective eye surgery

Iridectomy (Surgical Procedure)

excision of the iris

Myringotomy (Surgical Procedure)

incision in eardrum

Tympanoplasty (Surgical Procedure)

middle ear repair