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NAO VOLUME 3 PRACTICE EXAM 2025
BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| ACE YOUR GRADES.
1. To relieve the pressure causing soreness at the front edge of
the nose pads, a good adjustment would be: - correct answer -
decrease the flare of the pads
2. If the pads are bent down and the pads are realigned, this
adjustment will ; - correct answer -raise the front
3. If the left temple is angled down, this adjustment will: - correct
answer -raise the left side of the front
4. If the pad arms are shortened, this adjustment will: - correct
answer -bring the front closer in
5. If the pads are brought closer together, this adjustment will: -
correct answer -raise the front
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6. If the left temple is angled out, this adjustment will: - correct
answer -push the left side of the front away from the left eye
7. To relieve tension on both ears, a good adjustment would be
to: - correct answer -lengthen both temples
8. In the boxing system, the B measurement represents: - correct
answer -Lens depth (vertical)
9. The lower the Abbe number the ______ - correct answer -less
the chromatic aberration
10. The cylinder axis location tolerance for a 0.75Dcylinder
prescription ophthalmic lens is: - correct answer -5 degrees
11. The cylinder axis location tolerance for a 1.00D cylinder for
prescription ophthalmic lenses is: - correct answer -3 degrees
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12. The cylinder axis location tolerance for a 2.00 D cylinder for
prescription opthalmic lens is: - correct answer -2 degrees
13. The correct transposed RX for -1.00-.50x37 is? - correct
answer --1.50 + 0.50 x 127
14. The correct transposition for +2.00 -2.00 x 060 is? - correct
answer -Plano +2.00 x 150
15. An uncut lens must be at least _______ mm in diameter to
allow the edging of a 54 mm round lens decentered 3 mm in: -
correct answer -60 mm
16. A +3.00 sphere lens has a front base curve of +6.25. What is
the back surface curve? - correct answer --3.25
17. A -2.00 -1.00 x 045 lens has a front base curve of +6.25.
What are the back surface curves? - correct answer --8.25 -
1.00
NAO VOLUME 3 PRACTICE EXAM 2025
BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| ACE YOUR GRADES.
1. To relieve the pressure causing soreness at the front edge of
the nose pads, a good adjustment would be: - correct answer -
decrease the flare of the pads
2. If the pads are bent down and the pads are realigned, this
adjustment will ; - correct answer -raise the front
3. If the left temple is angled down, this adjustment will: - correct
answer -raise the left side of the front
4. If the pad arms are shortened, this adjustment will: - correct
answer -bring the front closer in
5. If the pads are brought closer together, this adjustment will: -
correct answer -raise the front
, Page | 2
6. If the left temple is angled out, this adjustment will: - correct
answer -push the left side of the front away from the left eye
7. To relieve tension on both ears, a good adjustment would be
to: - correct answer -lengthen both temples
8. In the boxing system, the B measurement represents: - correct
answer -Lens depth (vertical)
9. The lower the Abbe number the ______ - correct answer -less
the chromatic aberration
10. The cylinder axis location tolerance for a 0.75Dcylinder
prescription ophthalmic lens is: - correct answer -5 degrees
11. The cylinder axis location tolerance for a 1.00D cylinder for
prescription ophthalmic lenses is: - correct answer -3 degrees
, Page | 3
12. The cylinder axis location tolerance for a 2.00 D cylinder for
prescription opthalmic lens is: - correct answer -2 degrees
13. The correct transposed RX for -1.00-.50x37 is? - correct
answer --1.50 + 0.50 x 127
14. The correct transposition for +2.00 -2.00 x 060 is? - correct
answer -Plano +2.00 x 150
15. An uncut lens must be at least _______ mm in diameter to
allow the edging of a 54 mm round lens decentered 3 mm in: -
correct answer -60 mm
16. A +3.00 sphere lens has a front base curve of +6.25. What is
the back surface curve? - correct answer --3.25
17. A -2.00 -1.00 x 045 lens has a front base curve of +6.25.
What are the back surface curves? - correct answer --8.25 -
1.00
