FROM INDEPENDENT STUDY GUIDE | 2025/2026
UPDATE | QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION
Ametropia Answer - refractive error
Asthenopia Answer - Eye strain
Esotropia Answer - Inward turning of the eye
Anisometropia Answer - Difference in refractive power between the two eyes.
Anisocoria Answer - Difference in pupil sizes
Symptoms of conjunctivitis Answer - red, irritated, bloodshot eyes
Chief complaint Answer - the main reason for the patient's visit; eye fatigue,
headaches, blurred vision, esotropia
Keratoconus Answer - cone shaped protrusion of the cornea; causes distorted
vision.
, Diplopia Answer - double vision
When is the PAM used? Answer - To get visual acuity of patients with cataracts
How many inches should near vision charts be held from patient's eyes?
Answer - 14-16 inches
Pinhole disc Answer - Used to get visual acuity by taking out any refractive
error.
Recommended distance for assessing distance acuity Answer - 20 feet
What is meant by 20/60 vision? Answer - The patient is able to clearly see an
object at 20 feet that a can be seen at 60 feet by a person with no refractive
error. Gold standard of vision is 20/20.
What does the numerator stand for in 20/20 Answer - Distance from the
patients eyes to the chart.
Snellen chart Answer - Letters subtend the same amount of arc but some
letters are easier to recognize than others.
When is counting fingers used? Answer - When the patient cannot read the
largest letter on the Snellen chart.
At what age is an infant expected to reach for toys? 2-4, 4-6, 6-8 or 8-10
months? Answer - 4-6 months