JCAHPO Patient Evaluation 3

Question 1

A 45-year-old patient can no longer read comfortably without reading glasses. This age-related change in near vision is known as:

Accepted Answer

Presbyopia

Answer

Presbyopia is the age-related loss of accommodative amplitude due to decreased flexibility of the crystalline lens, typically becoming symptomatic in the mid-40s.

Question 2

When measuring intraocular pressure with a Goldmann applanation tonometer, the examiner adjusts the force until the inner edges of two fluorescent semicircles:

Accepted Answer

Just touch at their inner margins

Answer

The endpoint for Goldmann applanation tonometry is when the inner edges of the mires just touch, corresponding to a 3.06 mm applanated area.

Question 3

Which ocular motility test uses a red lens over one eye to help identify the type and degree of strabismus?

Accepted Answer

Maddox rod test

Answer

The Maddox rod test uses a grooved red lens to separate images and help quantify and characterize heterophorias and heterotropias.

Question 4

During history taking, a patient reports halos around lights at night. This symptom is most associated with:

Accepted Answer

Corneal edema or cataracts

Answer

Halos around lights are classically associated with corneal edema (as in acute angle-closure glaucoma) or nuclear sclerotic cataracts scattering incoming light.

Question 5

The normal range of intraocular pressure measured by applanation tonometry is approximately:

Accepted Answer

10–21 mmHg

Answer

The statistically normal IOP range is 10–21 mmHg (mean ~16 mmHg), though glaucomatous damage can occur at any IOP.

(JCAHPO) International Joint Commission Allied Health Personnel in Ophthalmology Practice Test

(JCAHPO) International Joint Commission Allied Health Personnel in Ophthalmology Practice Test

JCAHPO Patient Evaluation 3