OPHTHALMIC MEDICAL ASSISTING UPDATED
COMPREHENSIVE QUESTIONS AND ANSWERS SURE A+
✔✔(Chapter 11) What is an advantage of automated threshold perimetry? - ✔✔It is
more sensitive than kinetic perimetry in detecting shallow defects.
✔✔(Chapter 11) What condition causes a visual field defect that respects the horizontal
meridian? - ✔✔Glaucoma
✔✔(Chapter 11) What condition can help ensure an accurate perimetry result? -
✔✔Having an appropriate add or near correction in place
✔✔(Chapter 12) How should patients be instructed to care for their eyeglass lenses? -
✔✔Clean lenses with mild dish soap and dry with a 100% cotton cloth
✔✔(Chapter 12) Under what circumstance does a change in vertex distance result in
the most noticeable change in effective power of the lens? - ✔✔Refractive prescriptions
greater than or equal to -5.00 or +5.00 D
✔✔(Chapter 12) If the patient's interpupillary distance (PD) is measured incorrectly, and
the distance between the optical center of each lens does not correspond to the PD,
what complaint might the patient have when wearing the new lenses? - ✔✔Double
vision due to prismatic effect
✔✔(Chapter 12) As a starting point, most opticians recommend fitting the top of a
bifocal segment level with what anatomical landmark? - ✔✔Lower eyelid margin
✔✔(Chapter 12) What should monocular patients be encouraged to do? - ✔✔Use
safety lenses full-time even if they do not have a refractive error
✔✔(Chapter 12) A presbyopic auto mechanic is struggling to use his D segment trifocal
glasses because he cannot see well at arm's length over his head. What multifocal lens
configuration may help improve his function at work? - ✔✔Double-D segment
occupational lenses
✔✔(Chapter 12) What is an advantage of progressive addition lenses? - ✔✔Lenses can
be personalized for the patient's prescription and frame style
✔✔(Chapter 12) What is the procedure for measuring monocular interpupillary
distance? - ✔✔Measure each pupil to the bridge of the nose separately and then add
the results
, ✔✔(Chapter 13) At a 10-inch (25-cm) reading distance, how much magnification will a
+10.00 D lens provide? - ✔✔2.5x
✔✔(Chapter 13) What items are considered low vision optical devices? - ✔✔Glasses,
handheld magnifiers, telescopes
✔✔(Chapter 13) What bifocal add power is customarily the maximum effective power
for near vision in a normally sighted person who is older than 60 years or has
hyperopia? - ✔✔+3.00 D
✔✔(Chapter 13) When should a patient be referred to a low vision specialist? -
✔✔When low vision doesn't improve from refraction or medical or surgical treatment
✔✔(Chapter 13) Legal blindness can be defined as best-corrected visual acuity of
20/200 or less in the better-seeing eye or as what degree of visual field loss? -
✔✔Visual field reduced to 20 or less in the better seeing eye
✔✔(Chapter 13) What can reduce glare and improve reading ability for those with low
vision? - ✔✔Wearing a hat with a brim
✔✔(Chapter 13) For a patient requiring very high magnification and contrast, what
nonoptical visual aid would be most helpful? - ✔✔Closed-circuit television
✔✔(Chapter 13) What is the most common cause of low vision and blindness in
developing countries? - ✔✔Cataract
✔✔(Chapter 14) What does a prescription for contact lenses include? - ✔✔Power of the
contact lens and diameter and base curve measurements
✔✔(Chapter 14) What is the primary purpose of disinfecting contact lenses? - ✔✔To
prevent the growth of bacteria, viruses, and fungi
✔✔(Chapter 14) An allergic reaction related to contact lens wear is most often due to
what substance? - ✔✔Preservative or disinfectant chemicals in a lens solution
✔✔(Chapter 14) What is a significant advantage of soft lenses over rigid gas-permeable
lenses? - ✔✔They are generally easier to adapt to and initially more comfortable
✔✔(Chapter 14) Contact lenses are most likely to be contraindicated for what kind of
patient? - ✔✔One with an occupation involving exposure to fumes
✔✔(Chapter 14) What is the only acceptable rinsing solution for contact lenses? -
✔✔Sterile saline solution
COMPREHENSIVE QUESTIONS AND ANSWERS SURE A+
✔✔(Chapter 11) What is an advantage of automated threshold perimetry? - ✔✔It is
more sensitive than kinetic perimetry in detecting shallow defects.
✔✔(Chapter 11) What condition causes a visual field defect that respects the horizontal
meridian? - ✔✔Glaucoma
✔✔(Chapter 11) What condition can help ensure an accurate perimetry result? -
✔✔Having an appropriate add or near correction in place
✔✔(Chapter 12) How should patients be instructed to care for their eyeglass lenses? -
✔✔Clean lenses with mild dish soap and dry with a 100% cotton cloth
✔✔(Chapter 12) Under what circumstance does a change in vertex distance result in
the most noticeable change in effective power of the lens? - ✔✔Refractive prescriptions
greater than or equal to -5.00 or +5.00 D
✔✔(Chapter 12) If the patient's interpupillary distance (PD) is measured incorrectly, and
the distance between the optical center of each lens does not correspond to the PD,
what complaint might the patient have when wearing the new lenses? - ✔✔Double
vision due to prismatic effect
✔✔(Chapter 12) As a starting point, most opticians recommend fitting the top of a
bifocal segment level with what anatomical landmark? - ✔✔Lower eyelid margin
✔✔(Chapter 12) What should monocular patients be encouraged to do? - ✔✔Use
safety lenses full-time even if they do not have a refractive error
✔✔(Chapter 12) A presbyopic auto mechanic is struggling to use his D segment trifocal
glasses because he cannot see well at arm's length over his head. What multifocal lens
configuration may help improve his function at work? - ✔✔Double-D segment
occupational lenses
✔✔(Chapter 12) What is an advantage of progressive addition lenses? - ✔✔Lenses can
be personalized for the patient's prescription and frame style
✔✔(Chapter 12) What is the procedure for measuring monocular interpupillary
distance? - ✔✔Measure each pupil to the bridge of the nose separately and then add
the results
, ✔✔(Chapter 13) At a 10-inch (25-cm) reading distance, how much magnification will a
+10.00 D lens provide? - ✔✔2.5x
✔✔(Chapter 13) What items are considered low vision optical devices? - ✔✔Glasses,
handheld magnifiers, telescopes
✔✔(Chapter 13) What bifocal add power is customarily the maximum effective power
for near vision in a normally sighted person who is older than 60 years or has
hyperopia? - ✔✔+3.00 D
✔✔(Chapter 13) When should a patient be referred to a low vision specialist? -
✔✔When low vision doesn't improve from refraction or medical or surgical treatment
✔✔(Chapter 13) Legal blindness can be defined as best-corrected visual acuity of
20/200 or less in the better-seeing eye or as what degree of visual field loss? -
✔✔Visual field reduced to 20 or less in the better seeing eye
✔✔(Chapter 13) What can reduce glare and improve reading ability for those with low
vision? - ✔✔Wearing a hat with a brim
✔✔(Chapter 13) For a patient requiring very high magnification and contrast, what
nonoptical visual aid would be most helpful? - ✔✔Closed-circuit television
✔✔(Chapter 13) What is the most common cause of low vision and blindness in
developing countries? - ✔✔Cataract
✔✔(Chapter 14) What does a prescription for contact lenses include? - ✔✔Power of the
contact lens and diameter and base curve measurements
✔✔(Chapter 14) What is the primary purpose of disinfecting contact lenses? - ✔✔To
prevent the growth of bacteria, viruses, and fungi
✔✔(Chapter 14) An allergic reaction related to contact lens wear is most often due to
what substance? - ✔✔Preservative or disinfectant chemicals in a lens solution
✔✔(Chapter 14) What is a significant advantage of soft lenses over rigid gas-permeable
lenses? - ✔✔They are generally easier to adapt to and initially more comfortable
✔✔(Chapter 14) Contact lenses are most likely to be contraindicated for what kind of
patient? - ✔✔One with an occupation involving exposure to fumes
✔✔(Chapter 14) What is the only acceptable rinsing solution for contact lenses? -
✔✔Sterile saline solution
