Certified Ophthalmic Assistant Study
Questions & Answers(RATED A+)
-1.50 -1.00 X 85 - ANSWERA patient's prescription is -2.50 +1.00 X 175. What is the minus cylinder
transposition?
+4.50 - ANSWERThe spherical equivalent of +2.00 + 5.00 X 180 is?
0, 2, 6 - ANSWERThe calibration of the Goldmann applanation tonometer should be checked at which
settings?
12419 - ANSWERWhat number bulb is used in a non-contact tonometer?
14-16 - ANSWERNear vision charts should be held how many inches from the eye?
2 - ANSWERHow many dimensions are represented in a B-Scan image?
20 - ANSWERThe Amsler grid is designed to evaluate visual field deficiencies in how many degrees of
central vision?
20' - ANSWERWhat is the recommended distance used for assessing distance acuity?
20/60 - ANSWERIf a person can clearly see an object at 20 feet that can be seen at 60 feet by a
person with no refractive error, their visual acuity is said to be?
3 - ANSWERHow many layers comprise the tear layer?
3 - ANSWERHow many nerves innervate the six extraocular muscles?
3 - ANSWERIn glare testing, how many controlled degrees of light does the BAT test deliver when the
eye is viewing a Snellen target?
, 3 mm - ANSWERWhat is the diameter of the plastic prism comprised of a flat surface within the
applanation tonometer?
4-6 months - ANSWERIn visual assessment, an infant would be expected to reach for toys by the age
of?
6 - ANSWERHow many extraocular muscles move each eye?
90 degrees - ANSWERPart of the rules for transposition is to change the axis of the cylinder by?
A fluorescein angiogram is used for which of the following? - ANSWERViewing detail, such as
blockages in fundus blood vessels
A lens with a focal length of 2 meters has a power of? - ANSWER0.5 D
Addition - ANSWERWhat is the term for the reading portion of a bifocal prescription?
Advances in digital imaging technology facilitated the practical use of what type of dye? -
ANSWERIndocyanine Green
afferent pupillary defect? - ANSWERIf the amount of light information transmitted to the brain from
one eye differs from that of the other eye, the patient has a(n)?
Agar - ANSWERWhat common medium is used to culture microorganisms?
Allow a more complete posterior segment exam - ANSWERWhat is the purpose for dilating the eye?
Aniscoria - ANSWERWhat is the term for pupils that are of unequal size?
Anterior Chamber - ANSWERA slit lamp is used to examine the?
Anterior corneal surface to the macula - ANSWERAxial length is provided by which measurement?
Questions & Answers(RATED A+)
-1.50 -1.00 X 85 - ANSWERA patient's prescription is -2.50 +1.00 X 175. What is the minus cylinder
transposition?
+4.50 - ANSWERThe spherical equivalent of +2.00 + 5.00 X 180 is?
0, 2, 6 - ANSWERThe calibration of the Goldmann applanation tonometer should be checked at which
settings?
12419 - ANSWERWhat number bulb is used in a non-contact tonometer?
14-16 - ANSWERNear vision charts should be held how many inches from the eye?
2 - ANSWERHow many dimensions are represented in a B-Scan image?
20 - ANSWERThe Amsler grid is designed to evaluate visual field deficiencies in how many degrees of
central vision?
20' - ANSWERWhat is the recommended distance used for assessing distance acuity?
20/60 - ANSWERIf a person can clearly see an object at 20 feet that can be seen at 60 feet by a
person with no refractive error, their visual acuity is said to be?
3 - ANSWERHow many layers comprise the tear layer?
3 - ANSWERHow many nerves innervate the six extraocular muscles?
3 - ANSWERIn glare testing, how many controlled degrees of light does the BAT test deliver when the
eye is viewing a Snellen target?
, 3 mm - ANSWERWhat is the diameter of the plastic prism comprised of a flat surface within the
applanation tonometer?
4-6 months - ANSWERIn visual assessment, an infant would be expected to reach for toys by the age
of?
6 - ANSWERHow many extraocular muscles move each eye?
90 degrees - ANSWERPart of the rules for transposition is to change the axis of the cylinder by?
A fluorescein angiogram is used for which of the following? - ANSWERViewing detail, such as
blockages in fundus blood vessels
A lens with a focal length of 2 meters has a power of? - ANSWER0.5 D
Addition - ANSWERWhat is the term for the reading portion of a bifocal prescription?
Advances in digital imaging technology facilitated the practical use of what type of dye? -
ANSWERIndocyanine Green
afferent pupillary defect? - ANSWERIf the amount of light information transmitted to the brain from
one eye differs from that of the other eye, the patient has a(n)?
Agar - ANSWERWhat common medium is used to culture microorganisms?
Allow a more complete posterior segment exam - ANSWERWhat is the purpose for dilating the eye?
Aniscoria - ANSWERWhat is the term for pupils that are of unequal size?
Anterior Chamber - ANSWERA slit lamp is used to examine the?
Anterior corneal surface to the macula - ANSWERAxial length is provided by which measurement?
