Chapter 16: Special Senses (Eye)

Rods

B&W vision in dim light

Cones

Color vision & function in bright light

Optic Disc

Blind spot

gonioscopy

Visual exam of angle

blepharoptosis

Prolapse of eyelid

presbyopia

Vision with old age

indoplegia

Paralysis of iris

phacocele

Hernia of lens

photophobia

Fear of light

retinopathy

Disease of retina

conjunctivitis

Inflammation of conjunctiva

keratometer

Instrument to measure curvature

amblyopia

Dim or dull vision

exotropia

Turning outward (of eyes)

Vitrectomy

Excision of vitreous body

cataract

Opacity / clouding of crystalline lens

strabismus

Failure of both eyes to focus on the same object

Esotropia

Inward (cross eyes)

Exotropia

Outward (wall eye)

Glaucoma

Accumulated fluid within eyeball causing pressure that damages retina & optic nerve

diopter

Measurement of refractive error

ectropion

Outward turning of lower eyelid

emmetropia

State of normal vision

hordeolum

Swelling of sebaceous gland (AKA stye)

papilledema

Swelling of optic with dilated veins

Phacoemulsification

Ultrasound to destroy cloudy lens / cataract

tonometry

Detects glaucoma by measuring intraocular pressure

Pupiloscopy

Visual exam of pupil

Opthalmoscope

Instrument to examine eye

angiography

Recording vessels

retinoscopy

Visual exam of retina

gonioscope

Instrument to examine angle

choroid/o

Choroid

retin/o

retina

irid/o

iris

corne/o

cornea

scler/o

hardening

core/o, cor/o, pupil/o

pupil

phac/o

lens

phot/o

light

blephar/o

eyelid

conjunctiv/o

conjunctiva

goni/o

angle

aque/o, hydr/o

water

ocul/o, optithalm/o

eye

kerat/o

horny tissue

dacry/o, lacrim/o

tear, acrimal apparatus

opt/o, optic/o

eye

glauc/o

gray

ambly/o

dull, dim

presby/o

old age

vitre/o

vitreous body (of eye)