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NCLEX PN Eye

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Section 1

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Keratoplasty

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (31)

Section 1

(31 cards)

Keratoplasty

Front

Replacing corneal tissue with new corneal tissue Do NOT dilate pupils

Back

Aqueous Humor

Front

Clear gelatinous fluid containing low protein Located space between lens and cornea (front and back of eyes)

Back

Cataracts RX-Mydriatics

Front

Dilate -Atropine -Isoptoatropine -Scpalamine

Back

Glaucoma- Adrenergic

Front

Decrease produciton of aqueaous humor -Visine

Back

Vitreous Humor

Front

Clear gel that fills the space between the lens and retina Back of the eye Mostly water

Back

Confrontation Test

Front

Used to examine the clients visual fields or peripheral vision. -Provides a crude estimate of the clients visual fields detects hemianopia (blind 1/2 vision), quadrantoapnia (blind 1/4 vision) or large scotomas (blindspot in vision).

Back

Miotic

Front

=miosis -a drug that causes constriction of the pupil of the eye

Back

Macular Degeneration

Front

Deteroation of the central vision. Can be age realted dry or wet Tx-aims to help client maxamize remaining vision

Back

Rods

Front

Responsible for vision at low light levels Do not mediate color vision and have low special acuity

Back

Hyperopia

Front

Far sightedness

Back

Nystagmus

Front

An involuntary and rapid twitching of the eyeball

Back

Cataracts

Front

Opacity of the lens that distorts the image projected onto the retina (clouded lens)

Back

Primary Open Glaucoma

Front

Reduced outflow of aqueous humor through the chamber angle. BC the fluid cannot leave the eye at the same rate its produced increase IOP.

Back

Snellen Chart

Front

Measures distance vision Stand 20ft away Ex:) 20/50 means that the client is able to see at 20ft from the chart what a healthy eye can see at 50ft.

Back

Cataracts Rx-Cyclopetics

Front

-Cyclogel

Back

Cones

Front

Active at higher light Color vision

Back

Eye Trauma

Front

Injury to the eye sustained from sharp or blunt trauma, chemicals or heat. Permanent visual impairment can occur. Every eye injury should be considered an emergency. Protective eye shields.

Back

Late Cataracts (s/s)

Front

Diplopia Reduced visual acuity leading blindness Absence of red reflex Presense of White pupil

Back

Angle closure (closed angle)

Front

Movement of the Iris against the cornea narrows or closexs the chamber angle, obstructing outflow of aqueous humor. -common cause of blindness

Back

Myopia

Front

Near sightedness

Back

Glaucoma- Miotics

Front

Costriction -do not use for retinal detatchment -Isoptocarpine

Back

Cataracts Post-Op

Front

-30-45 degree angle -Do not put on operative side -Night sheild -Patch

Back

Astigmatism

Front

A refractive error cause by unevenly curved surfaces on or in the eye, especially of the cornea.

Back

Detached Retina

Front

A hole, tear, separation of the sensory retina from the pigmented epithelium. Can be result of blunt trauma, astigmatism. Resealing is done by surgery: 1-Cryotherapy-freezing 2-Photocoagulation-Laser 3-Diathermy-heat 4-Scleral buckling-most often used

Back

Tonometry

Front

Test measures the pressure inside your eye with is IOP. -Used to check for glaucoma -Measures IOP by recording the resistnece of cornea to pressure (indentation w/ eyedrops)

Back

Glaucoma-carbonic anhydrase inhibitor

Front

-Diamox -Azopet

Back

Early Cataracts (s/s)

Front

Blurred vision Decreased color perception

Back

Glaucoma- Beta Blockers

Front

-Betoptic -Timoptic -Ocupress

Back

Mydriatic

Front

Cause pupil dilation

Back

Hyphema

Front

Blood in front of the eye. -Cx-blood vessel abnormality, cancer of the eye, severe inflammation of the Iris (circular part of the eye). Tx-mild to none, blood is absorbed, eye patching, eye drops

Back

Legally Blind

Front

20/200

Back