COA Study Guide
Name the nine components of the ophthalmic history. - ✔✔ correct answer Chief complaint, present
illness, past ocular history, ocular medications, general medical and surgical history, systemic
medications, allergies, social history, and family history.
Why is it important to specifically ask a patient about the medications they are taking? - ✔✔ correct
answer Because certain medications may affect the eyes.
What is the proper response to a patient's request from the ophthalmic technician for medical advice
or a diagnosis? - ✔✔ correct answer Refer the patient to the ophthalmologist
What is the term used for the reason for the patient's visit? - ✔✔ correct answer Chief complaint
What elements are important in social history taking? - ✔✔ correct answer Smoking, alcohol, and
drug use
Prior use of topical ocular pharmaceutical agents is part of a patient's ________. - ✔✔ correct
answer Past ocular history
Pertinent family history of a patient should include which relatives? - ✔✔ correct answer Parents,
grandparents, and genetic siblings
A patient describing an experience of getting hives after taking sulfa drugs is providing information
about __________. - ✔✔ correct answer An allergic reaction
What is the term for the spasmodic, rhythmic dilating, and contracting pupillary movements during
pupil function testing? - ✔✔ correct answer Hippus
What is the name of the test used for detecting a relative afferent pupillary defect? - ✔✔ correct
answer Swinging flashlight test
Which muscle of the iris constricts in bright light? - ✔✔ correct answer Sphincter
What is pupil dilation termed? - ✔✔ correct answer Mydriasis
,COA Study Guide
What is the term used when there is a difference in pupil size? - ✔✔ correct answer Anisocoria
What is pupillometry? - ✔✔ correct answer The measurement of pupillary diameters.
What is the name of the reflexive reaction that occurs when a light is directed into one pupil and the
pupil of the opposite eye simultaneously reacts - ✔✔ correct answer Consensual pupillary reaction
Calibration of the applanation tonometer should be checked approximately every _____ months. -
✔✔ correct answer Two (or sooner with regular use)
When cleaning the goniolens, what is uses to rinse off the methycellulose? - ✔✔ correct answer
Warm running water
When replacing a light bulb _____ can diminish its effectiveness and life. - ✔✔ correct answer Oil
from fingers
Diagnostic lenses that contact the eye can be sterilized using? - ✔✔ correct answer Ethylene Oxide
gas
How should the removable glass slides inside the American Optical acuity projector be cleaned? -
✔✔ correct answer Wipe with clean, soft lint-free towel or photographic lens paper
If dust accumulates on the mirror of the slit lamp, the technician may clean it by using what cleaning
methods? - ✔✔ correct answer A lint-free cloth, a lens brush, or a blast of air
Who should repair and maintain equipment such as a laser? - ✔✔ correct answer A qualified service
technician.
Which accessories are used to check the calibration of an ophthalmometer/keratometer? - ✔✔
correct answer Three test balls made of steel also called "Lensco Meter"
What should be used to clean the accessible lenses of a phoropter? - ✔✔ correct answer
Photographic lens cleaner and lens tissue
, COA Study Guide
What size letters (optotypes) are typically used to calibrate visual acuity projectors? - ✔✔ correct
answer 20/200
What is the name of the instrument used to neutralize lenses? - ✔✔ correct answer Lensometer
(Lensmeter)
When recording prism in a spectacle Rx, what does the abbreviation BO stand for? - ✔✔ correct
answer Base out
What is determined by focusing the thin lines in a manual lensometer? - ✔✔ correct answer The
sphere of the spectacle Rx is determined by the thin lines.
What is the first step in performing lensometry? - ✔✔ correct answer Focus the eyepiece.
If you cannot center the thick and thin lines in the lensometer, the lens has _______. - ✔✔ correct
answer Ground-in prism.
Each black ring seen in the lensometer eyepiece reticle measures how much prism? - ✔✔ correct
answer 1 diopter for each ring
When performing lensometry, what is indicated if both thin and wide lines are in focus at the same
time? - ✔✔ correct answer The lens is spherical.
What is the technique used to measure the radius of curvature of the anterior corneal surface? - ✔✔
correct answer A-Scan Keratometry Length Measurements
Keratometry is performed with a device called a ______. - ✔✔ correct answer Keratometer or
ophthalmometer
Give three examples in which a keratometry measurement would be useful. - ✔✔ correct answer
Contact lens fitting, refractive surgery, intra ocular lens calculations, keratoconus
Keratometry is measured in _______. - ✔✔ correct answer Diopters
Name the nine components of the ophthalmic history. - ✔✔ correct answer Chief complaint, present
illness, past ocular history, ocular medications, general medical and surgical history, systemic
medications, allergies, social history, and family history.
Why is it important to specifically ask a patient about the medications they are taking? - ✔✔ correct
answer Because certain medications may affect the eyes.
What is the proper response to a patient's request from the ophthalmic technician for medical advice
or a diagnosis? - ✔✔ correct answer Refer the patient to the ophthalmologist
What is the term used for the reason for the patient's visit? - ✔✔ correct answer Chief complaint
What elements are important in social history taking? - ✔✔ correct answer Smoking, alcohol, and
drug use
Prior use of topical ocular pharmaceutical agents is part of a patient's ________. - ✔✔ correct
answer Past ocular history
Pertinent family history of a patient should include which relatives? - ✔✔ correct answer Parents,
grandparents, and genetic siblings
A patient describing an experience of getting hives after taking sulfa drugs is providing information
about __________. - ✔✔ correct answer An allergic reaction
What is the term for the spasmodic, rhythmic dilating, and contracting pupillary movements during
pupil function testing? - ✔✔ correct answer Hippus
What is the name of the test used for detecting a relative afferent pupillary defect? - ✔✔ correct
answer Swinging flashlight test
Which muscle of the iris constricts in bright light? - ✔✔ correct answer Sphincter
What is pupil dilation termed? - ✔✔ correct answer Mydriasis
,COA Study Guide
What is the term used when there is a difference in pupil size? - ✔✔ correct answer Anisocoria
What is pupillometry? - ✔✔ correct answer The measurement of pupillary diameters.
What is the name of the reflexive reaction that occurs when a light is directed into one pupil and the
pupil of the opposite eye simultaneously reacts - ✔✔ correct answer Consensual pupillary reaction
Calibration of the applanation tonometer should be checked approximately every _____ months. -
✔✔ correct answer Two (or sooner with regular use)
When cleaning the goniolens, what is uses to rinse off the methycellulose? - ✔✔ correct answer
Warm running water
When replacing a light bulb _____ can diminish its effectiveness and life. - ✔✔ correct answer Oil
from fingers
Diagnostic lenses that contact the eye can be sterilized using? - ✔✔ correct answer Ethylene Oxide
gas
How should the removable glass slides inside the American Optical acuity projector be cleaned? -
✔✔ correct answer Wipe with clean, soft lint-free towel or photographic lens paper
If dust accumulates on the mirror of the slit lamp, the technician may clean it by using what cleaning
methods? - ✔✔ correct answer A lint-free cloth, a lens brush, or a blast of air
Who should repair and maintain equipment such as a laser? - ✔✔ correct answer A qualified service
technician.
Which accessories are used to check the calibration of an ophthalmometer/keratometer? - ✔✔
correct answer Three test balls made of steel also called "Lensco Meter"
What should be used to clean the accessible lenses of a phoropter? - ✔✔ correct answer
Photographic lens cleaner and lens tissue
, COA Study Guide
What size letters (optotypes) are typically used to calibrate visual acuity projectors? - ✔✔ correct
answer 20/200
What is the name of the instrument used to neutralize lenses? - ✔✔ correct answer Lensometer
(Lensmeter)
When recording prism in a spectacle Rx, what does the abbreviation BO stand for? - ✔✔ correct
answer Base out
What is determined by focusing the thin lines in a manual lensometer? - ✔✔ correct answer The
sphere of the spectacle Rx is determined by the thin lines.
What is the first step in performing lensometry? - ✔✔ correct answer Focus the eyepiece.
If you cannot center the thick and thin lines in the lensometer, the lens has _______. - ✔✔ correct
answer Ground-in prism.
Each black ring seen in the lensometer eyepiece reticle measures how much prism? - ✔✔ correct
answer 1 diopter for each ring
When performing lensometry, what is indicated if both thin and wide lines are in focus at the same
time? - ✔✔ correct answer The lens is spherical.
What is the technique used to measure the radius of curvature of the anterior corneal surface? - ✔✔
correct answer A-Scan Keratometry Length Measurements
Keratometry is performed with a device called a ______. - ✔✔ correct answer Keratometer or
ophthalmometer
Give three examples in which a keratometry measurement would be useful. - ✔✔ correct answer
Contact lens fitting, refractive surgery, intra ocular lens calculations, keratoconus
Keratometry is measured in _______. - ✔✔ correct answer Diopters
