Terms

Question 1

Amblyopia

Answer 1

Lazy eye. One eye becomes dependent on the other eye to focus. Cannot be corrected with glasses or surgery.

Question 2

Strabismus

Answer 2

Eye misalignment caused by an imbalance in the muscles holding the eye.

Question 3

Anisometriopia

Answer 3

Condition of the eyes in which the eyes have unequal refractive power.

Question 4

Aphakia

Answer 4

Absence of a lens in the eye.

Question 5

Asthenopia

Answer 5

Eye strain

Question 6

Binocular vision

Answer 6

Simultaneous use of the two eyes. Allows for a wider field of vision.

Question 7

Canthus

Answer 7

Where the upper lid meets the lower lid

Question 8

Convergence

Answer 8

Turning both eyes inwards so that they are both aimed toward the near object.

Question 9

Cycloplegia

Answer 9

Paralysis of the ciliary muscle of the eye, resulting in a loss of accommodation or … A dilated pupil.

Question 10

Diploplia

Answer 10

Double vision.

Question 11

Exopthalmos

Answer 11

Bulging of the eye anteriorly out of the orbit.

Question 12

Floaters

Answer 12

Light spots or streaks and dark moving specks due to vitreous traction on the retinal and solid vitreous material or blood.

Question 13

Hemianopia

Answer 13

A blindness or reduction in vision in one half of the visual field due to damage of the optic pathways in the brain.

Question 14

Hyphema

Answer 14

Blood in the the anterior chamber.

Question 15

Legal blindness

Answer 15

Means central visual acuity of 20/200 or less in the better eye with use of a correcting lens.

Question 16

Limbus

Answer 16

The edge of the cornea, where it joins the sclera. also called limbus corneae.

Question 17

Chemosis

Answer 17

Swelling or edema of the conjunctiva

Question 18

Papilledema

Answer 18

Swelling of the optic disc caused by increased intracranial pressure (ICP)

Question 19

Pterygium

Answer 19

A painless non-cancerous growth of the conjunctiva that lays over the sclera.

Question 20

Pinguecula

Answer 20

Non-cancerous yellowish-brown subconjunctival elevation composed of degenerated elastic tissue; may occur on either side of the cornea.

Question 21

Ptosis

Answer 21

“drooping eyelid“ caused by weakness of the muscle responsible for raising the eyelid, damage to the nerves that control those muscles, or looseness of the skin of the upper eyelids.

Question 22

Miosis

Answer 22

Constriction of the pupil

Question 23

Mydriasis

Answer 23

Dilation of the pupil

Question 24

Nystagmus

Answer 24

is a vision condition in which the eyes make repetitive, uncontrolled movements, often resulting in reduced vision

Question 25

Synechia

Answer 25

an eye condition where the iris adheres to either the cornea (i.e. anterior synechia) or lens (i.e. posterior synechia).
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Question 26

Scintillating scotoma

Answer 26

Often is accociated w/ migraine.
usually begins as a spot of flickering light near or in the center of the visual fields, which prevents vision within the scotoma. The scotoma area flickers, but is not dark. The scotoma then expands into one or more shimmering arcs of white or colored flashing lights

Question 27

Emmetropia

Answer 27

Normal state, perfect focus of light rays onto the retina when the ciliary muscles are totally relaxed.

Question 28

Hyperopia

Answer 28

Far-sightedness. Cannot see close objects very well.

Contact or glasses prescription begins with a +

Question 29

Hyperopia complications

Answer 29

Can be a risk factor for glaucoma and lazy eye.

Question 30

Myopia

Answer 30

Near-sightedness. Cannot see distant objects well. Runs in the family, affects 1/3 of the population. The prescription is a negative number.

Question 31

Astigmatism

Answer 31

A misshaped lens that cannot focus light rays properly. May accompany both far-sightedness or near-sightedness.

Question 32

Presbyopia

Answer 32

Old fart eyes
Usually occurs around age 40
The eye gradually becomes less awesome in every aspect than it was previously.