CPOA study
the frame hinge must be angled down to add aprox - answer7-12 degrees of
pantoscopic tilt
viewing from side of the frame, with the bottoms of the pads angling toward the frame
front, you're evaluating - answer vertical angle
a 45 degree bend at the point on the temple that coincides with the top of the ear -
answer should be bent using your hands
the bone behind the ear that the temple should be adjusted around is the - answer
mastoid bone
most important care tip for spectacles is that - answer commercial cleaners should not
be used if they contain alcohol
when dispensing to children it is best to recommend - answer spring hinges
one of the most important procedures in any eye exam is - answer taking a case history
the following method of history taking least structured is - answeropen-ended
when viewed at a specific distance, the letters of each line on a standard visual acuity
chart subtend at an angle of - answer5 minutes of arc
a patient able to read all of the 20/25 line and only 2 letters on the 20/20 line. how would
this be recorded? - answer20/25 +2
in the snellen notation of 20/40, what does the number 40 represent? - answerthe
distance at which a letter subtends a 5-min angle
the next step to take when recording vision on a patient who can't see the 20/400 e is -
answerto walk them closer to the chart
color vision is usually evaluated at what distance? - answer30 inches
which color vision test uses 85 colored discs in 4 separate trays? - answerfarnsworth
munsell 100 hue test
which retinal receptors are primarily responsible for color vision? - answercones
what is not classified as color vision - answerbinochromatism
, the ability to see or appreciate depth using both eyes is called - answerstereopsis
convergence is - answerthe eyes turning inward
the purpose of evaluating the near point of accommodation is - answerto check the
ability of the eyes to focus at near
the calculation of the measured focusing ability of the eyes is known as -
answeramplitude of accommodation
covered tests are used to evaluate - answerthe alignment of the eyes
term that refers to actual deviation of the eye - answertropia
detected using the unilateral cover test - answera phoria or tropia
a right tropia is evident when - answerthe right eye moves when the left is covered
during the alternating cover test, if the eye moves out to pick up fixation after it is
uncovered the eye is - answeresophoric
pursuits are eye movements - answeras they follow a moving target
test used to elevate pursuits - answerbroad H test
patients dominate eye is used for what when fitting monovision contact lenses -
answercorrecting for distance
the last step in standard alignment is - answerfold the frame to see if the temples fold
evenly across the front
first step to standard alignment is - answercheck to see if the eyewire is rolled
a general guideline to fitting the frame properly when a patients face is considered to be
long is - answerfit with a frame with a greater vertical depth
if a base curve is specified when a lens is ordered, it should be supplied within -
answer+-0.75 D
for special purpose rx lenses, the thickness tolerance is - answer+-0.3 mm
the vertical segment location tolerance for a mounted lens is within - answer1 mm of
specification
the frame hinge must be angled down to add aprox - answer7-12 degrees of
pantoscopic tilt
viewing from side of the frame, with the bottoms of the pads angling toward the frame
front, you're evaluating - answer vertical angle
a 45 degree bend at the point on the temple that coincides with the top of the ear -
answer should be bent using your hands
the bone behind the ear that the temple should be adjusted around is the - answer
mastoid bone
most important care tip for spectacles is that - answer commercial cleaners should not
be used if they contain alcohol
when dispensing to children it is best to recommend - answer spring hinges
one of the most important procedures in any eye exam is - answer taking a case history
the following method of history taking least structured is - answeropen-ended
when viewed at a specific distance, the letters of each line on a standard visual acuity
chart subtend at an angle of - answer5 minutes of arc
a patient able to read all of the 20/25 line and only 2 letters on the 20/20 line. how would
this be recorded? - answer20/25 +2
in the snellen notation of 20/40, what does the number 40 represent? - answerthe
distance at which a letter subtends a 5-min angle
the next step to take when recording vision on a patient who can't see the 20/400 e is -
answerto walk them closer to the chart
color vision is usually evaluated at what distance? - answer30 inches
which color vision test uses 85 colored discs in 4 separate trays? - answerfarnsworth
munsell 100 hue test
which retinal receptors are primarily responsible for color vision? - answercones
what is not classified as color vision - answerbinochromatism
, the ability to see or appreciate depth using both eyes is called - answerstereopsis
convergence is - answerthe eyes turning inward
the purpose of evaluating the near point of accommodation is - answerto check the
ability of the eyes to focus at near
the calculation of the measured focusing ability of the eyes is known as -
answeramplitude of accommodation
covered tests are used to evaluate - answerthe alignment of the eyes
term that refers to actual deviation of the eye - answertropia
detected using the unilateral cover test - answera phoria or tropia
a right tropia is evident when - answerthe right eye moves when the left is covered
during the alternating cover test, if the eye moves out to pick up fixation after it is
uncovered the eye is - answeresophoric
pursuits are eye movements - answeras they follow a moving target
test used to elevate pursuits - answerbroad H test
patients dominate eye is used for what when fitting monovision contact lenses -
answercorrecting for distance
the last step in standard alignment is - answerfold the frame to see if the temples fold
evenly across the front
first step to standard alignment is - answercheck to see if the eyewire is rolled
a general guideline to fitting the frame properly when a patients face is considered to be
long is - answerfit with a frame with a greater vertical depth
if a base curve is specified when a lens is ordered, it should be supplied within -
answer+-0.75 D
for special purpose rx lenses, the thickness tolerance is - answer+-0.3 mm
the vertical segment location tolerance for a mounted lens is within - answer1 mm of
specification
