What is the "bullet proof" lens of choice for children's prescriptions?
A) Trivex
B) Polycarbonate
C) Hi index
D) CR-39
Correct Answer:
Verified
Q44: Which is not a factor in non-adaptation
Q45: Which of the following lenses has the
Q46: Which lens is recommended for drill mounted
Q47: Which lens has the least UV absorption?
A)CR-39
B)Polycarb
C)Crown
Q48: A polarized lens always protects against 100%
Q50: Prentices rule for prism: Diopters (?) are
Q51: When light passes through a prism:
A)It spreads
Q52: Which of the following conditions cannot be
Q53: If you have a prescription written for
Q54: What is prism by decentration?
A)Cutting off the
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