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ANSWERS
The refractive astigmatism indicated by the RX
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+1.50 -1.75 x 35 is - CORRECT ANSWERS ✔✔Mixed
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The patient's RX is -1.75 -.50 x 120 with a +2.00 ADD
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standard trifocal. What is the power through the
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intermediate? - CORRECT ANSWERS ✔✔-.75 -.50 x 120 |\ |\ |\ |\ |\ |\ |\
The Geneva lens measure is designed to measure -
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CORRECT ANSWERS ✔✔Lens curvature |\ |\ |\
The focal length of a +5.00 diopter lens is - CORRECT
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ANSWERS ✔✔20 cm |\ |\
The problem of prismatic imbalance at the reading level is
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called - CORRECT ANSWERS ✔✔Anisometropia
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Which of the following indicated the most acute distance
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vision? - CORRECT ANSWERS ✔✔20/15
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,Which of the following is not a potential correction for
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vertical balance? - CORRECT ANSWERS ✔✔Vertex
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Compensation
The ability of the eye to focus on objects at varying
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distances is known as - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\
✔✔Accomodation
Anisekonia is due to - CORRECT ANSWERS ✔✔Unequal |\ |\ |\ |\ |\ |\ |\ |\
size retinal images
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The corner of the eye where the upper and lower lids
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meet is the - CORRECT ANSWERS ✔✔Canthus
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A ptosis crutch is used to - CORRECT ANSWERS
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✔✔Drooping lid |\
In neutralizing a lens of unknown power your first reading
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is +1.00 the next reading that focuses the cylinder target
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is -.25. What is the RX? - CORRECT ANSWERS ✔✔+1.00 -
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1.25
A +2.00 lens decentered in 5 mm beyond the patient's
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measured pd will create - CORRECT ANSWERS ✔✔1 |\ |\ |\ |\ |\ |\ |\ |\
diopter base in prism |\ |\ |\
, Which of the following conditions is indicated by the
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following RX: |\
O.D. +1.00 -1.00 x 180|\ |\ |\ |\
O.S. -2.00 -.50 x 45 - CORRECT ANSWERS
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✔✔Antimetropia
The loss of vision without any apparent defect to the eye
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is called - CORRECT ANSWERS ✔✔Amblyopia
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The ANSI cylinder tolerance for a -.25 cylinder is -
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CORRECT ANSWERS ✔✔Plus or minus 7 degrees |\ |\ |\ |\ |\ |\
Which of the following has no power in the 180 degree
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meridian? - CORRECT ANSWERS ✔✔+2.00 -2.00 x 90 |\ |\ |\ |\ |\ |\ |\
All specifications being equal which of the following
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materials will yield the thinnest lens? - CORRECT
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ANSWERS ✔✔Polycarbonate |\
If the right temple is angled up the effect on the frame
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will be to - CORRECT ANSWERS ✔✔Lower the right side
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