A Fresnel prism is
A) The name for the prism ground into lenses
B) The name for the plastic sheet of press-on prisms that can be added to existing lenses
C) None of the above
Correct Answer:
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Q21: What is the meaning of a diopter?
A)Space
Q22: Hyperopia is
A)Nearsightedness, where the patient sees better
Q23: Visual acuity is the measurement of the
Q24: The term refractive error means
A)Errors are made
Q25: Photophobia is
A)Aging eyes
B)A person who is afraid
Q27: The definition of accommodation is
A)The time it
Q28: On a lensometer, how do you determine
Q29: The effective power of a lens does
Q30: If you have been given this prescription
Q31: Placing a patient in a base curve
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