eve and vision disorders

Question 1

• astigmatism
• presbyopia
• myopia
• hyperopia

Answer 1

are all errors of refraction

Question 2

astigmatism

Answer 2

irregularities in cornea or lens

Tx: corrective lens

Question 3

can astigmatism occur with hyperopia and myopia?

Answer 3

yes astigmatism can still occur if you have far or nearsightedness

Question 4

presbyopia

Answer 4

age related change; poor accommodation caused by loss of elasticity

Tx: corrective lens

Question 5

myopia

Answer 5

nearsightedness

Tx: eye drops or eye surgery

Question 6

hyperopia

Answer 6

farsightedness

Tx: eye drops or eye surgery

Question 7

cloudiness of vision, common with aging and can occur with diabetes

S&S: cloudy vision, and seeing floaters and spots in vision

Tx: lens replacement

nursing care: patch is worn, monitor eye for drainage, and give medications as ordered

Answer 7

cataract

Question 8

main cause of blindness, there’s optic nerve changes and pressure to back of the eye; two types of glaucoma open-angle glaucoma and angle-closed glaucoma

Tx: medications that reduce aqueous production and surgery

nursing care: pt. safety, and optometrist checkups

Answer 8

glaucoma

Question 9

separation of pigmented layer and sensory layer of eye that allows fluid to enter and separate the layers

S&S: flashing lights and floaters

Tx: surgery to seal tear

nursing care: bedrest with head elevated

Answer 9

retinal detachment