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NAO BOOK + TEST REVIEW BOOK (QUESTIONS BANK) QUESTIONS WITH SOLVED SOLUTIONS RATED 100% CORRECT!!
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NAO BOOK + TEST REVIEW BOOK (QUESTIONS BANK) QUESTIONS WITH SOLVED SOLUTIONS RATED 100% CORRECT!!
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NAO BOOK + TEST REVIEWBOOK (QUESTIONS BANK)
QUESTIONS WITH SOLVED
SOLUTIONS RATED 100%
CORRECT!!
NAO
Evatee 10/13/24 NAO
,NAO BOOK + TEST REVIEW BOOK
(QUESTIONS BANK) QUESTIONS WITH
SOLVED SOLUTIONS RATED 100% CORRECT!!
The first successful contact lens were molded to the shape of the cornea
known as:
Corneal
Hapatic
Interpalpebral
Gas Permeable Answer - Hapatic
Corneal Contact lenses:
Are a typical soft contact lens design
Bridge the limbus and some of the sclera
Are last resort contact lenses
Are common designs for rigid and gas perm contacts Answer - Are common
designs for rigid and gas perm contacts
The majority of soft lenses fit today are:
Corneal
Hapatic
Semi scleral
Hydrophobic Answer - Semi scleral
,A liquid coming in contact with a hydrophilic lens material with a relatively
small wetting angle would be likely to:
Form beads on the surface
Quickly evaporate
Spread evenly over the surface
None of the above Answer - Spread evenly over the surface
A contact lens with a diameter larger than that of the cornea is called a ____
lens.
Corneal
Hydrophilic
Hydrophobic
Hapatic Answer - Hapatic
All of the following are symptoms of a loose fitting lens except:
Constant awareness
Lid sensation
Burning
None of the above Answer - Burning
Of those curves listed, which indicates the flattest base curve?
7.5 mm
37.50 D
8.6 mm
49.00 D Answer - 37.50 D
, A contact lens was ordered with a base curve of 7.85 mm but was received
back from the lab with a base curve of 7.80 mm. The base cure of the actual
lens is:
0.25 D flatter
0.25 D steeper
0.50 D flatter
0.50 D steeper Answer - 0.25 D steeper
It is noticed that a rigid CL containing a base curve of 7.42mm is fitting quite
loose. A tighter fit may be achieved by changing the B.C. to:
7.46 mm
7.85 mm
8.04 mm
None of the above Answer - None of the above
A CL has a B.C. of 7.50 mm. Its posterior peripheral curve would most likely be:
7.45 mm
42.50 D
75.35 mm
30.00 D Answer - 42.50 D
The secondary curve of a rigid contact lens generally:
Is steeper than the CPC (Central posterior curve)
1-2 D flatter than CPC
2-4 D flatter than CPC
None of the above Answer - 2-4 D flatter than CPC
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