ABO EXAM PRE-TEST
-.75 -.50 x one hundred twenty - ANS-The patient's RX is -1.75 -.50 x a hundred and twenty with
a +2.00 upload trendy trifocal. What is the energy via the intermediate.
A. -1.25 -.50 x 120
B. -.Seventy five -.50 x one hundred twenty
C. -.Seventy five -.50 x 30
D. -1.00 -.50 x one hundred fifty
-0.50 - ANS-The round equivalent of the lens +1.00 -3.00 x90 is
A. +zero.50
B. -zero.50
C. +1.25
D. -1.25
ANS: Which of the following RXs is identical to the following RX: -three.00 +2.50 x25? -zero.50
-2.50 x115 A. -3.00 +2.50 x105
B. -0.50 -2.50 x115
C. +zero.50 +2.50 x115
D. +three.00 -zero.50 x105
-2.00 -1.00 x90 - ANS: Test lenses have recently neutralized an unknown energy lens. The take
a look at lens used to neutralize vertical power has a plus of two.Zero, at the same time as the
take a look at lens used to neutralize horizontal power has a plus of three.00. What is the RX?
-2.00 +0.50 x180
-2.00 -1.00 x 90
-1.50 -zero.50 x 180
+1.00 +0.50 x180
-three.25 - 1.50 x180 - ANS: A lens that measures -three.00 - 1.50 x180 is actually a lens if
your lensometer reads +zero.25 with out a lens. A. -2.75 -1.25 x180
B. -2.75 -1.50 x180
C. -three.25 -1.75 x180
D. -three.25 -1.50 x180
A -nine.50 ANS-A affected person is given a shpere of -10.00 while refracted at 15 mm. The
dispenser reveals that the real fitting distance will be at 10mm. What must the compensated
lens energy be?
A. -nine.50
B. -nine.75
C. -10.Seventy five
D. -10.50
+1.00 -1.25 - ANS-In neutralizing a lens of unknown power your first reading is +1.00 and the
subsequent analyzing that focuses the cylinder target is -0.25.
What is the RX?
A. +1.00 -zero.25
, B. -0.25 +2.00
C. +1.00 -1.25
D. +zero.25 +2.25
+1.75 -.25 x90 - ANS-What might the reading RX be if the subsequent distance RX and bifocal
addition are given:
A. +.50 -.25 x90
B. +1.Seventy five -.25 x90
C. +2.75 -.25 x90
D. +1.25 -.25 x90
+2.00 -2.00 x90 - ANS-Which of the following has no electricity inside the 180 diploma median?
A. +2.00 -2.00 x90
B. +2.00 +2.00 x180
C. +1.00 +1.00 x135
D. +1.00 -2.00 x45
+2.50 - ANS-If the RX is OS +1.00 +3.00 x45, what might be the whole strength at axis energy
ninety?
A. +1.00
B. +2.00
C. +2.25
D. +2.50
+6.12/+eight.12 - ANS-When verifying an upload on on a 1 piece bifocal with a lens clock, a
+2.00 upload could clock ____
within the distance and inside the segment, respectively. A. +6.12/+8.12
B. +four.50/-7.25
C. +four.37/+7.12
D. +three.75/+1.00
1 diapter - ANS-Determine imbalance at the studying stage inside the following prescription
(10mm reading intensity)
OD: -four.00 -2.00 x90 OS: -1.00 -three.00 x180
A. 4 diapters
B. 2 diapters
C. 1 diapter
D. No disparity 1 diapter base in prism - ANS-A +2.00 diopter lens decentered in 5mm past the
sufferers measured pd will create
A. 1 diapter base out prism
B. A prism is fashioned by segments. C. Prism base with one diapter D. 2 diapters base in
prism
1 diapter base out/each eye - ANS-The P.D. Written at the order is mistakenly noted as 70mm,
while the real size must be 66mm. What undesirable prism might be determined if the distance
prescription is O.U. +5.00 shpere.
A. 1 diapter base out/every eye
B. 1 diapter base in/each eye
C. 2 diapters out/every eye
D. 2 diapters in/every eye
-.75 -.50 x one hundred twenty - ANS-The patient's RX is -1.75 -.50 x a hundred and twenty with
a +2.00 upload trendy trifocal. What is the energy via the intermediate.
A. -1.25 -.50 x 120
B. -.Seventy five -.50 x one hundred twenty
C. -.Seventy five -.50 x 30
D. -1.00 -.50 x one hundred fifty
-0.50 - ANS-The round equivalent of the lens +1.00 -3.00 x90 is
A. +zero.50
B. -zero.50
C. +1.25
D. -1.25
ANS: Which of the following RXs is identical to the following RX: -three.00 +2.50 x25? -zero.50
-2.50 x115 A. -3.00 +2.50 x105
B. -0.50 -2.50 x115
C. +zero.50 +2.50 x115
D. +three.00 -zero.50 x105
-2.00 -1.00 x90 - ANS: Test lenses have recently neutralized an unknown energy lens. The take
a look at lens used to neutralize vertical power has a plus of two.Zero, at the same time as the
take a look at lens used to neutralize horizontal power has a plus of three.00. What is the RX?
-2.00 +0.50 x180
-2.00 -1.00 x 90
-1.50 -zero.50 x 180
+1.00 +0.50 x180
-three.25 - 1.50 x180 - ANS: A lens that measures -three.00 - 1.50 x180 is actually a lens if
your lensometer reads +zero.25 with out a lens. A. -2.75 -1.25 x180
B. -2.75 -1.50 x180
C. -three.25 -1.75 x180
D. -three.25 -1.50 x180
A -nine.50 ANS-A affected person is given a shpere of -10.00 while refracted at 15 mm. The
dispenser reveals that the real fitting distance will be at 10mm. What must the compensated
lens energy be?
A. -nine.50
B. -nine.75
C. -10.Seventy five
D. -10.50
+1.00 -1.25 - ANS-In neutralizing a lens of unknown power your first reading is +1.00 and the
subsequent analyzing that focuses the cylinder target is -0.25.
What is the RX?
A. +1.00 -zero.25
, B. -0.25 +2.00
C. +1.00 -1.25
D. +zero.25 +2.25
+1.75 -.25 x90 - ANS-What might the reading RX be if the subsequent distance RX and bifocal
addition are given:
A. +.50 -.25 x90
B. +1.Seventy five -.25 x90
C. +2.75 -.25 x90
D. +1.25 -.25 x90
+2.00 -2.00 x90 - ANS-Which of the following has no electricity inside the 180 diploma median?
A. +2.00 -2.00 x90
B. +2.00 +2.00 x180
C. +1.00 +1.00 x135
D. +1.00 -2.00 x45
+2.50 - ANS-If the RX is OS +1.00 +3.00 x45, what might be the whole strength at axis energy
ninety?
A. +1.00
B. +2.00
C. +2.25
D. +2.50
+6.12/+eight.12 - ANS-When verifying an upload on on a 1 piece bifocal with a lens clock, a
+2.00 upload could clock ____
within the distance and inside the segment, respectively. A. +6.12/+8.12
B. +four.50/-7.25
C. +four.37/+7.12
D. +three.75/+1.00
1 diapter - ANS-Determine imbalance at the studying stage inside the following prescription
(10mm reading intensity)
OD: -four.00 -2.00 x90 OS: -1.00 -three.00 x180
A. 4 diapters
B. 2 diapters
C. 1 diapter
D. No disparity 1 diapter base in prism - ANS-A +2.00 diopter lens decentered in 5mm past the
sufferers measured pd will create
A. 1 diapter base out prism
B. A prism is fashioned by segments. C. Prism base with one diapter D. 2 diapters base in
prism
1 diapter base out/each eye - ANS-The P.D. Written at the order is mistakenly noted as 70mm,
while the real size must be 66mm. What undesirable prism might be determined if the distance
prescription is O.U. +5.00 shpere.
A. 1 diapter base out/every eye
B. 1 diapter base in/each eye
C. 2 diapters out/every eye
D. 2 diapters in/every eye
