Diagnosis and treatment

Question 1

Canthotomy

Answer 1

Surgical division of a canthus

Question 2

Cystotome

Answer 2

Instrument for incising the lens capsule

Question 3

Electroretinography (ERG)

Answer 3

Study of the retina’s electrical response to light stimulation

Question 4

Enucleation

Answer 4

Surgical removal of the eyeball

Question 5

Gonioscopy
(GOH-nee-OS-koh-pee)

Answer 5

Examination of the angle between the cornea and the iris (anterior chamber angle) in which fluids flow out of the eye.

Question 6

Keratometer

Answer 6

An instrument for measuring the curvature of the cornea

Question 7

Mydriatic

Answer 7

A drug that causes dilation of the pupil

Question 8

Phorometer

Answer 8

An instrument for determining the degree and kind of strabismus (eye misalignment/deviation)

Question 9

Skiascope/Retinoscope

Answer 9

An instrument used to determine refractive errors of the eye

Question 10

Slit-lamp Biomicroscope

Answer 10

An instrument for examining the eye under magnification

Question 11

Snellen Chart

Answer 11

A chart printed with letters of decreasing size to test visual acuity

Question 12

Tarsorrhaphy

Answer 12

Suturing together of all of or part of the upper and lower eyelids

Question 12

Tonometer

Answer 12

An instrument used to measure fluid pressure in the eye