Certified Ophthalmic Assistant (COA) Exam
How are systemic medications administered? Orally, injection (subcutaneously or intramuscularly) or intravenously
How should drops be properly instilled into a patient's Into the lower cul de sac (lower fornix)
eye?
What does the term idiosyncrasy refer to with ophthalmic A bizarre, peculiar reaction to a drug that is not commonly seen, such as tremors,
drugs? excitability or even collapse
What is the name of the instrument used to neutralize Lensometer (Lensmeter)
lenses?
When recording a prism in a spectacle prescription, what Base out
does the abbreviation BO stand for?
What is determined by focusing the thin lines in a manual The sphere of the spectacle prescription
lensometer?
What is the first step in performing lensometry? Focus the eyepiece
When PRK is being performed, time remaining in the 10 seconds
procedure should be announced in increments of ______
Name the organism that is most destructive to the eye. Pseudomonas Aeruginosa
What procedure using an Argon Laser is thought to Panretinal photocoagulation or panretinal laser
destroy areas of ischemic retina?
What type of intraocular injection is made at the Pars Intravitreal injection
plana site with a needle and syringe of medication?
What are the parallel movements of the eyes from one Versions
gaze position to another
What is the movement of one eye called Duction
Versions and ductions are tested by using ________ to Six Cardinal positions, yoke
test the six pairs of _______ muscles.
The movement of the eye outward toward the temple is Abduction
called _____
What is the technique used to measure the radius of A-Scan Keratometry Length Measurements
curvature of the anterior corneal surface?
, Certified Ophthalmic Assistant (COA) Exam
Keratometry is performed with a device called a ______ Keratometer or ophthalmometer
Give three examples in which a Keratometry Contact lens fitting, refractive surgery, intraocular lens calculations, keratoconus
measurement would be useful.
Keratometry is measured in _____ Diopters
Measuring intraocular pressure is also called _____ Tonometry
The higher the intraocular pressure of an eye, the ____ Harder
the eye
Applanation tonometry displaces less than ____ of 0.5 microliters
aqueous.
When recording intraocular pressure, the reading on the 10
Goldmann applanation tonometer scale should be
multiplied by ____.
Because there are no rods or cones in the optic nerve Physiologic
head a____ blind spot is created in the normal visual
field.
A defect in the patient's superior temporal retina, will Inferior nasal
affect the patient's ____ field of vision.
The two basic methods employed to map the field of Kinetic, static
vision are ____ and ____ perimetry.
A localized area of reduced sensitivity in a visual field Scotoma
that is surrounded by an area of greater sensitivity is
termed a ____.
And unfocused eyepiece can lead to an error of ____. 1 diopter in the K reading
How many meridians are measured in keratometry? 2 meridians (usually 90° apart)
The average K reading is ____. 43-44 diopters
Keratometry measures the____ of the anterior curvature Central 3.3 mm
of the cornea.
The diffusion of oxygen through a contact lens material is DK value
referred to as ____.
, Certified Ophthalmic Assistant (COA) Exam
True or False: The application and evaluation of a True
diagnostic lens on the eye is the best way to fit a contact
lens
Name the instrument used to determine the posterior Radiuscope and or Contacto Gauge
surface radius of curvature of a rigid contact lens.
Increased thirst, excessive urine, production, increased Diabetes insipidus
hunger and weight loss are characteristics of which
endocrine disease?
What finding can occur 6 to 8 hours after a metallic Rust ring
foreign body enters the cornea?
Why are alkali burns more serious than acid burns on the Alkali burns penetrate deeper
cornea?
Variability in the functions of levator and extraocular Myasthenia gravis
muscle is characteristic in which systemic disease?
What is the name of the mucous membrane covering the (Bulbar) Conjunctiva
interior sclera?
What type of glaucoma constitutes an ocular Acute angle-closure glaucoma
emergency?
Protocols for pressure patching or shields require that Bridge of the nose, ear lobe
adhesive tape must be applied from the ____ to the
____.
What is the minimum thickness of safety lenses? 3.0 mm
What is the name of the important screening process Triage
used in emergencies determine the patient's ocular
needs?
What is a hemorrhage confined to the anterior chamber Hyphema
termed?
____ drugs induce contractions of the iris sphincter Miotic
Name the three types of ophthalmic preparations placed Solutions, suspensions, ointments
directly in the eye.
What is the main disadvantage of using an ophthalmic The duration of contact with the eye is short, therefore it requires frequent
solution? instillation
What is the disadvantage of using an ophthalmic The ointment reduces vision by creating a greasy film over the surface of the
ointment? cornea, and is best used at bedtime.
, Certified Ophthalmic Assistant (COA) Exam
Gross evaluation of the patient's peripheral vision can be Confrontation
accomplished with ____ visual field testing.
The ____ visual field test compares the boundaries of Confrontation
the patient's visual field with that of the examiner.
The Amsler grid test determines the presence and Central
location of defects in the ____ portion of the visual field.
During Amsler grid testing the patient should be Near
instructed to view the grid through his or her ____
correction.
Checking the calibration of the Goldmann applanation Balance or calibration rod
tomometer is performed with a ____.
The Goldmann applanation to tonometer prism is best Hydrogen peroxide soaks or 1:10 bleach solution
cleaned between patients with ____.
Which dye solution is used when performing Goldmann Fluorescein dye
applanation?
What is the diameter of the corneal area properly 3.06 mm
applanated by a Goldmann tonometer?
____ photography documents the posterior segment of Fundus
the eye.
____ devices create three dimensional digital images of Tomography
the optic nerve, and retina.
Three of the most common tomographic image devices Optical Coherence Tomography (OCT), Heidelberg Retinal Tomography (HRT),
are ____, ____, and ____. and GDx scanner laser polorimeter
The data provided by tomographic devices are useful in Optic nerve and retinal nerve fiber layer
evaluating progressive ____ and ____ damage.
Ophthalmic photography serves to ____ and ___ Document and diagnose
ophthalmic conditions.
Which area of the cornea is the thickest? The stroma
What type of pets should not be used on a patient with a A pressure patch
lacerated globe?
When long waiting times occur in the office what is the To communicate with patients and keep them informed in a sensitive manner
ophthalmic medical assistant's responsibility
How are systemic medications administered? Orally, injection (subcutaneously or intramuscularly) or intravenously
How should drops be properly instilled into a patient's Into the lower cul de sac (lower fornix)
eye?
What does the term idiosyncrasy refer to with ophthalmic A bizarre, peculiar reaction to a drug that is not commonly seen, such as tremors,
drugs? excitability or even collapse
What is the name of the instrument used to neutralize Lensometer (Lensmeter)
lenses?
When recording a prism in a spectacle prescription, what Base out
does the abbreviation BO stand for?
What is determined by focusing the thin lines in a manual The sphere of the spectacle prescription
lensometer?
What is the first step in performing lensometry? Focus the eyepiece
When PRK is being performed, time remaining in the 10 seconds
procedure should be announced in increments of ______
Name the organism that is most destructive to the eye. Pseudomonas Aeruginosa
What procedure using an Argon Laser is thought to Panretinal photocoagulation or panretinal laser
destroy areas of ischemic retina?
What type of intraocular injection is made at the Pars Intravitreal injection
plana site with a needle and syringe of medication?
What are the parallel movements of the eyes from one Versions
gaze position to another
What is the movement of one eye called Duction
Versions and ductions are tested by using ________ to Six Cardinal positions, yoke
test the six pairs of _______ muscles.
The movement of the eye outward toward the temple is Abduction
called _____
What is the technique used to measure the radius of A-Scan Keratometry Length Measurements
curvature of the anterior corneal surface?
, Certified Ophthalmic Assistant (COA) Exam
Keratometry is performed with a device called a ______ Keratometer or ophthalmometer
Give three examples in which a Keratometry Contact lens fitting, refractive surgery, intraocular lens calculations, keratoconus
measurement would be useful.
Keratometry is measured in _____ Diopters
Measuring intraocular pressure is also called _____ Tonometry
The higher the intraocular pressure of an eye, the ____ Harder
the eye
Applanation tonometry displaces less than ____ of 0.5 microliters
aqueous.
When recording intraocular pressure, the reading on the 10
Goldmann applanation tonometer scale should be
multiplied by ____.
Because there are no rods or cones in the optic nerve Physiologic
head a____ blind spot is created in the normal visual
field.
A defect in the patient's superior temporal retina, will Inferior nasal
affect the patient's ____ field of vision.
The two basic methods employed to map the field of Kinetic, static
vision are ____ and ____ perimetry.
A localized area of reduced sensitivity in a visual field Scotoma
that is surrounded by an area of greater sensitivity is
termed a ____.
And unfocused eyepiece can lead to an error of ____. 1 diopter in the K reading
How many meridians are measured in keratometry? 2 meridians (usually 90° apart)
The average K reading is ____. 43-44 diopters
Keratometry measures the____ of the anterior curvature Central 3.3 mm
of the cornea.
The diffusion of oxygen through a contact lens material is DK value
referred to as ____.
, Certified Ophthalmic Assistant (COA) Exam
True or False: The application and evaluation of a True
diagnostic lens on the eye is the best way to fit a contact
lens
Name the instrument used to determine the posterior Radiuscope and or Contacto Gauge
surface radius of curvature of a rigid contact lens.
Increased thirst, excessive urine, production, increased Diabetes insipidus
hunger and weight loss are characteristics of which
endocrine disease?
What finding can occur 6 to 8 hours after a metallic Rust ring
foreign body enters the cornea?
Why are alkali burns more serious than acid burns on the Alkali burns penetrate deeper
cornea?
Variability in the functions of levator and extraocular Myasthenia gravis
muscle is characteristic in which systemic disease?
What is the name of the mucous membrane covering the (Bulbar) Conjunctiva
interior sclera?
What type of glaucoma constitutes an ocular Acute angle-closure glaucoma
emergency?
Protocols for pressure patching or shields require that Bridge of the nose, ear lobe
adhesive tape must be applied from the ____ to the
____.
What is the minimum thickness of safety lenses? 3.0 mm
What is the name of the important screening process Triage
used in emergencies determine the patient's ocular
needs?
What is a hemorrhage confined to the anterior chamber Hyphema
termed?
____ drugs induce contractions of the iris sphincter Miotic
Name the three types of ophthalmic preparations placed Solutions, suspensions, ointments
directly in the eye.
What is the main disadvantage of using an ophthalmic The duration of contact with the eye is short, therefore it requires frequent
solution? instillation
What is the disadvantage of using an ophthalmic The ointment reduces vision by creating a greasy film over the surface of the
ointment? cornea, and is best used at bedtime.
, Certified Ophthalmic Assistant (COA) Exam
Gross evaluation of the patient's peripheral vision can be Confrontation
accomplished with ____ visual field testing.
The ____ visual field test compares the boundaries of Confrontation
the patient's visual field with that of the examiner.
The Amsler grid test determines the presence and Central
location of defects in the ____ portion of the visual field.
During Amsler grid testing the patient should be Near
instructed to view the grid through his or her ____
correction.
Checking the calibration of the Goldmann applanation Balance or calibration rod
tomometer is performed with a ____.
The Goldmann applanation to tonometer prism is best Hydrogen peroxide soaks or 1:10 bleach solution
cleaned between patients with ____.
Which dye solution is used when performing Goldmann Fluorescein dye
applanation?
What is the diameter of the corneal area properly 3.06 mm
applanated by a Goldmann tonometer?
____ photography documents the posterior segment of Fundus
the eye.
____ devices create three dimensional digital images of Tomography
the optic nerve, and retina.
Three of the most common tomographic image devices Optical Coherence Tomography (OCT), Heidelberg Retinal Tomography (HRT),
are ____, ____, and ____. and GDx scanner laser polorimeter
The data provided by tomographic devices are useful in Optic nerve and retinal nerve fiber layer
evaluating progressive ____ and ____ damage.
Ophthalmic photography serves to ____ and ___ Document and diagnose
ophthalmic conditions.
Which area of the cornea is the thickest? The stroma
What type of pets should not be used on a patient with a A pressure patch
lacerated globe?
When long waiting times occur in the office what is the To communicate with patients and keep them informed in a sensitive manner
ophthalmic medical assistant's responsibility
