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32 terms

Ophthalmology

Ophthalmology - Chapter 15
STUDY
PLAY
Ophthalmology
Study of the eye
Lacrimal glands
Continuously secrete tears that travel through the lacrimal ducts
Sclera
White of the eye
Iris
Circular Structure whose color is determined by genetics
Miosis
Process of narrowing the size of the pupil
Ciliary body
An extension of the choroid that attaches to suspensory ligaments that hold the lens in place behind the iris
Aqueous humor
Clear, watery fluid that is produced continuously by the ciliary body
Blephar/o
Combining form for eyelid
Irid/o
Combining form for Iris
Scler/o
Combining form for sclera
Corne/o
Combining form for Cornea
Kerat/o
Combining form for cornea (also hard fibrous protein)
Nas/o
Combining form for nose
Ophthalm/o
Combining form for eye
Blepharitis
Inflammation of the eyelid
Hordeolum
Red, painful swelling or a pimple containing pus on the eyelid - also known as a stye
Conjunctivitis
Inflamed, reddend, and swollen conjunctiva with dilated blood vessels in the sclera - also known as pinkeye
Pinkeye
Acute contagious bacterial conjunctivitis with mucus discharge
Intraocular pressure
IOP
Cataract
Clouding of the lens
Presbyopia
Loss of flexibility of the lens with blurry near vision and loss of accommodation
Astigmatism
Surface of the cornea is curved more steeply in one area, so there is no single point of focus - the patient's vision is blurry both near and at a distance
Hyperopia
Farsightedness - patient can see things clearly in the distance, but close things are blurry
Myopia
Nearsightedness - Patient can see things clearly that are close, but things in the distance are blurry
Snellen Chart
Used to test distance vision from 20 feet away
Phorometry
Procedure to select the strength of lens that corrects the patient's refractive error to give 20/20 vision
Tonometry
Procedure to detect increased intraocular pressure and glaucoma
Tonometer
Pressed against the cornea to record intraocular pressure
Visual acuity testing
Procedure to test near and distance visual acuity
Myopia surgery
Procedure to correct nearsightedness
OD
Right eye
OS
Left eye