On a lensometer, how do you determine the center of a prescription lens?
A) You first measure the lens width and divide it in half
B) You determine the center of the mires with both sphere and cylinder power
C) You determine with either sphere or cylinder, not both
Correct Answer:
Verified
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
Q26: A Fresnel prism is
A)The name for the
Q27: The definition of accommodation is
A)The time it
Q29: The effective power of a lens does
Q30: If you have been given this prescription
Q31: Placing a patient in a base curve
Q32: Do most labs cut prescriptions out using
Q33: An astigmatism prescription is one that can
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents