Certified Ophthalmic Assistant (COA
How are systemic medications administered? - ✔✔ correct answer Orally, injection (subcutaneously
or intramuscularly) or intravenously
How should drops be properly instilled into a patient's eye? - ✔✔ correct answer Into the lower cul
de sac (lower fornix)
What does the term idiosyncrasy refer to with ophthalmic drugs? - ✔✔ correct answer A bizarre,
peculiar reaction to a drug that is not commonly seen, such as tremors, excitability or even collapse
What is the name of the instrument used to neutralize lenses? - ✔✔ correct answer Lensometer
(Lensmeter)
When recording a prism in a spectacle prescription, 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 prescription
What is the first step in performing lensometry? - ✔✔ correct answer Focus the eyepiece
When PRK is being performed, time remaining in the procedure should be announced in increments
of ______ - ✔✔ correct answer 10 seconds
Name the organism that is most destructive to the eye. - ✔✔ correct answer Pseudomonas
Aeruginosa
What procedure using an Argon Laser is thought to destroy areas of ischemic retina? - ✔✔ correct
answer Panretinal photocoagulation or panretinal laser
What type of intraocular injection is made at the Pars plana site with a needle and syringe of
medication? - ✔✔ correct answer Intravitreal injection
What are the parallel movements of the eyes from one gaze position to another - ✔✔ correct
answer Versions
,Certified Ophthalmic Assistant (COA
What is the movement of one eye called - ✔✔ correct answer Duction
Versions and ductions are tested by using ________ to test the six pairs of _______ muscles. - ✔✔
correct answer Six Cardinal positions, yoke
The movement of the eye outward toward the temple is called _____ - ✔✔ correct answer
Abduction
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, intraocular lens calculations, keratoconus
Keratometry is measured in _____ - ✔✔ correct answer Diopters
Measuring intraocular pressure is also called _____ - ✔✔ correct answer Tonometry
The higher the intraocular pressure of an eye, the ____ the eye - ✔✔ correct answer Harder
Applanation tonometry displaces less than ____ of aqueous. - ✔✔ correct answer 0.5 microliters
When recording intraocular pressure, the reading on the Goldmann applanation tonometer scale
should be multiplied by ____. - ✔✔ correct answer 10
Because there are no rods or cones in the optic nerve head a____ blind spot is created in the normal
visual field. - ✔✔ correct answer Physiologic
A defect in the patient's superior temporal retina, will affect the patient's ____ field of vision. - ✔✔
correct answer Inferior nasal
,Certified Ophthalmic Assistant (COA
The two basic methods employed to map the field of vision are ____ and ____ perimetry. - ✔✔
correct answer Kinetic, static
A localized area of reduced sensitivity in a visual field that is surrounded by an area of greater
sensitivity is termed a ____. - ✔✔ correct answer Scotoma
And unfocused eyepiece can lead to an error of ____. - ✔✔ correct answer 1 diopter in the K reading
How many meridians are measured in keratometry? - ✔✔ correct answer 2 meridians (usually 90°
apart)
The average K reading is ____. - ✔✔ correct answer 43-44 diopters
Keratometry measures the____ of the anterior curvature of the cornea. - ✔✔ correct answer Central
3.3 mm
The diffusion of oxygen through a contact lens material is referred to as ____. - ✔✔ correct answer
DK value
True or False: The application and evaluation of a diagnostic lens on the eye is the best way to fit a
contact lens - ✔✔ correct answer True
Name the instrument used to determine the posterior surface radius of curvature of a rigid contact
lens. - ✔✔ correct answer Radiuscope and or Contacto Gauge
Increased thirst, excessive urine, production, increased hunger and weight loss are characteristics of
which endocrine disease? - ✔✔ correct answer Diabetes insipidus
What finding can occur 6 to 8 hours after a metallic foreign body enters the cornea? - ✔✔ correct
answer Rust ring
Why are alkali burns more serious than acid burns on the cornea? - ✔✔ correct answer Alkali burns
penetrate deeper
, Certified Ophthalmic Assistant (COA
Variability in the functions of levator and extraocular muscle is characteristic in which systemic
disease? - ✔✔ correct answer Myasthenia gravis
What is the name of the mucous membrane covering the interior sclera? - ✔✔ correct answer
(Bulbar) Conjunctiva
What type of glaucoma constitutes an ocular emergency? - ✔✔ correct answer Acute angle-closure
glaucoma
Protocols for pressure patching or shields require that adhesive tape must be applied from the ____
to the ____. - ✔✔ correct answer Bridge of the nose, ear lobe
What is the minimum thickness of safety lenses? - ✔✔ correct answer 3.0 mm
What is the name of the important screening process used in emergencies determine the patient's
ocular needs? - ✔✔ correct answer Triage
What is a hemorrhage confined to the anterior chamber termed? - ✔✔ correct answer Hyphema
____ drugs induce contractions of the iris sphincter - ✔✔ correct answer Miotic
Name the three types of ophthalmic preparations placed directly in the eye. - ✔✔ correct answer
Solutions, suspensions, ointments
What is the main disadvantage of using an ophthalmic solution? - ✔✔ correct answer The duration
of contact with the eye is short, therefore it requires frequent instillation
What is the disadvantage of using an ophthalmic ointment? - ✔✔ correct answer The ointment
reduces vision by creating a greasy film over the surface of the cornea, and is best used at bedtime.
Gross evaluation of the patient's peripheral vision can be accomplished with ____ visual field testing.
- ✔✔ correct answer Confrontation
How are systemic medications administered? - ✔✔ correct answer Orally, injection (subcutaneously
or intramuscularly) or intravenously
How should drops be properly instilled into a patient's eye? - ✔✔ correct answer Into the lower cul
de sac (lower fornix)
What does the term idiosyncrasy refer to with ophthalmic drugs? - ✔✔ correct answer A bizarre,
peculiar reaction to a drug that is not commonly seen, such as tremors, excitability or even collapse
What is the name of the instrument used to neutralize lenses? - ✔✔ correct answer Lensometer
(Lensmeter)
When recording a prism in a spectacle prescription, 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 prescription
What is the first step in performing lensometry? - ✔✔ correct answer Focus the eyepiece
When PRK is being performed, time remaining in the procedure should be announced in increments
of ______ - ✔✔ correct answer 10 seconds
Name the organism that is most destructive to the eye. - ✔✔ correct answer Pseudomonas
Aeruginosa
What procedure using an Argon Laser is thought to destroy areas of ischemic retina? - ✔✔ correct
answer Panretinal photocoagulation or panretinal laser
What type of intraocular injection is made at the Pars plana site with a needle and syringe of
medication? - ✔✔ correct answer Intravitreal injection
What are the parallel movements of the eyes from one gaze position to another - ✔✔ correct
answer Versions
,Certified Ophthalmic Assistant (COA
What is the movement of one eye called - ✔✔ correct answer Duction
Versions and ductions are tested by using ________ to test the six pairs of _______ muscles. - ✔✔
correct answer Six Cardinal positions, yoke
The movement of the eye outward toward the temple is called _____ - ✔✔ correct answer
Abduction
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, intraocular lens calculations, keratoconus
Keratometry is measured in _____ - ✔✔ correct answer Diopters
Measuring intraocular pressure is also called _____ - ✔✔ correct answer Tonometry
The higher the intraocular pressure of an eye, the ____ the eye - ✔✔ correct answer Harder
Applanation tonometry displaces less than ____ of aqueous. - ✔✔ correct answer 0.5 microliters
When recording intraocular pressure, the reading on the Goldmann applanation tonometer scale
should be multiplied by ____. - ✔✔ correct answer 10
Because there are no rods or cones in the optic nerve head a____ blind spot is created in the normal
visual field. - ✔✔ correct answer Physiologic
A defect in the patient's superior temporal retina, will affect the patient's ____ field of vision. - ✔✔
correct answer Inferior nasal
,Certified Ophthalmic Assistant (COA
The two basic methods employed to map the field of vision are ____ and ____ perimetry. - ✔✔
correct answer Kinetic, static
A localized area of reduced sensitivity in a visual field that is surrounded by an area of greater
sensitivity is termed a ____. - ✔✔ correct answer Scotoma
And unfocused eyepiece can lead to an error of ____. - ✔✔ correct answer 1 diopter in the K reading
How many meridians are measured in keratometry? - ✔✔ correct answer 2 meridians (usually 90°
apart)
The average K reading is ____. - ✔✔ correct answer 43-44 diopters
Keratometry measures the____ of the anterior curvature of the cornea. - ✔✔ correct answer Central
3.3 mm
The diffusion of oxygen through a contact lens material is referred to as ____. - ✔✔ correct answer
DK value
True or False: The application and evaluation of a diagnostic lens on the eye is the best way to fit a
contact lens - ✔✔ correct answer True
Name the instrument used to determine the posterior surface radius of curvature of a rigid contact
lens. - ✔✔ correct answer Radiuscope and or Contacto Gauge
Increased thirst, excessive urine, production, increased hunger and weight loss are characteristics of
which endocrine disease? - ✔✔ correct answer Diabetes insipidus
What finding can occur 6 to 8 hours after a metallic foreign body enters the cornea? - ✔✔ correct
answer Rust ring
Why are alkali burns more serious than acid burns on the cornea? - ✔✔ correct answer Alkali burns
penetrate deeper
, Certified Ophthalmic Assistant (COA
Variability in the functions of levator and extraocular muscle is characteristic in which systemic
disease? - ✔✔ correct answer Myasthenia gravis
What is the name of the mucous membrane covering the interior sclera? - ✔✔ correct answer
(Bulbar) Conjunctiva
What type of glaucoma constitutes an ocular emergency? - ✔✔ correct answer Acute angle-closure
glaucoma
Protocols for pressure patching or shields require that adhesive tape must be applied from the ____
to the ____. - ✔✔ correct answer Bridge of the nose, ear lobe
What is the minimum thickness of safety lenses? - ✔✔ correct answer 3.0 mm
What is the name of the important screening process used in emergencies determine the patient's
ocular needs? - ✔✔ correct answer Triage
What is a hemorrhage confined to the anterior chamber termed? - ✔✔ correct answer Hyphema
____ drugs induce contractions of the iris sphincter - ✔✔ correct answer Miotic
Name the three types of ophthalmic preparations placed directly in the eye. - ✔✔ correct answer
Solutions, suspensions, ointments
What is the main disadvantage of using an ophthalmic solution? - ✔✔ correct answer The duration
of contact with the eye is short, therefore it requires frequent instillation
What is the disadvantage of using an ophthalmic ointment? - ✔✔ correct answer The ointment
reduces vision by creating a greasy film over the surface of the cornea, and is best used at bedtime.
Gross evaluation of the patient's peripheral vision can be accomplished with ____ visual field testing.
- ✔✔ correct answer Confrontation
