Certified Ophthalmic Assistant (COA) Questions Part 1 – Practice Questions and Answers
Study Guide
What is the recommended distance used for assessing distance acuity? - ANS ✔✔c. 20'
If poor vision is simply due to refractive error, the acuity should improve with use of a - ANS
✔✔pinhole disc
Near vision charts should be held how many inches from the eye? - ANS ✔✔14-16 inches
Measuring visual acuity with a potential acuity meter is useful in patients with? - ANS
✔✔cataracts
In an industrial injury in which the patient complains of a foreign body sensation, a 20/60 vision
is recorded by the assistant. What is the next step the assistant should take? - ANS ✔✔Try a
pinhole test to see if vision will improve
An effective means of estimating visual acuity in infants would be to use - ANS ✔✔preferential
looking
20/60 visual acuity means the patient sees a test object at - ANS ✔✔20 feet that someone with
20/20 vision would see at 60 feet.
Which of the following is a measure of distance of visual acuity - ANS ✔✔20/20
Which of the following equivalencies is correct? - ANS ✔✔20/200 is equivalent to 10/100
What is a probable cause of blurred distance vision that is improved by squinting? - ANS
✔✔uncorrected myopia
, Symptoms associated with a red, irritated, bloodshot eye are MOST likely due to - ANS
✔✔conjunctivitis
A patient's history of pain and low vision could be attributed to - ANS ✔✔acute glaucoma
evaluating the range and symmetry of motion of both eyes together is known as - ANS
✔✔versions
Stereoacuity testing is indicated if a patient has - ANS ✔✔a phoria
What examination distinguishes a constant tropia from an intermittent tropia? - ANS ✔✔The
cover-uncover test
Which process is useful for measuring corneal astigmatism? - ANS ✔✔keratometry
Intraocular pressure is measured with a(n) - ANS ✔✔12419
What is the diameter of the plastic prism comprised of a flat surface within the applanation
tonometer - ANS ✔✔3.0mm
Killing of the HIV and other viruses on the applanation prism is BEST accomplished by soaking in
- ANS ✔✔sodium hypochlorite(chloride bleach)
A condition in which blood has settled in the bottom half of the anterior chamber of the eye is
called a(n) - ANS ✔✔hyphema
Study Guide
What is the recommended distance used for assessing distance acuity? - ANS ✔✔c. 20'
If poor vision is simply due to refractive error, the acuity should improve with use of a - ANS
✔✔pinhole disc
Near vision charts should be held how many inches from the eye? - ANS ✔✔14-16 inches
Measuring visual acuity with a potential acuity meter is useful in patients with? - ANS
✔✔cataracts
In an industrial injury in which the patient complains of a foreign body sensation, a 20/60 vision
is recorded by the assistant. What is the next step the assistant should take? - ANS ✔✔Try a
pinhole test to see if vision will improve
An effective means of estimating visual acuity in infants would be to use - ANS ✔✔preferential
looking
20/60 visual acuity means the patient sees a test object at - ANS ✔✔20 feet that someone with
20/20 vision would see at 60 feet.
Which of the following is a measure of distance of visual acuity - ANS ✔✔20/20
Which of the following equivalencies is correct? - ANS ✔✔20/200 is equivalent to 10/100
What is a probable cause of blurred distance vision that is improved by squinting? - ANS
✔✔uncorrected myopia
, Symptoms associated with a red, irritated, bloodshot eye are MOST likely due to - ANS
✔✔conjunctivitis
A patient's history of pain and low vision could be attributed to - ANS ✔✔acute glaucoma
evaluating the range and symmetry of motion of both eyes together is known as - ANS
✔✔versions
Stereoacuity testing is indicated if a patient has - ANS ✔✔a phoria
What examination distinguishes a constant tropia from an intermittent tropia? - ANS ✔✔The
cover-uncover test
Which process is useful for measuring corneal astigmatism? - ANS ✔✔keratometry
Intraocular pressure is measured with a(n) - ANS ✔✔12419
What is the diameter of the plastic prism comprised of a flat surface within the applanation
tonometer - ANS ✔✔3.0mm
Killing of the HIV and other viruses on the applanation prism is BEST accomplished by soaking in
- ANS ✔✔sodium hypochlorite(chloride bleach)
A condition in which blood has settled in the bottom half of the anterior chamber of the eye is
called a(n) - ANS ✔✔hyphema
