ABO Full test Practice Test(Questions and Answers 100% correct)

ABO Practice Test(Questions and Answers 100% correct) When discussing thick lenses, the factors which are considered in computing the lens power are: a. front curve, thickness and index b. back curve, thickness and index c. front curve, back curve and thickness d. front curve, back curve, thickness and index - d. front curve, back curve, thickness and index Toric transposition shows: a. lens thickness b. power in principal meridians c. the power of the ADD d. the lens diameter - b. power in principal meridians Increasing the diameter of a minus power lens always increases its: a. vertex power b. center thickness c. weight d. refractive index - c. weight The optical center of a round segment is located: a. at the very top of the segment b. in the geometric center of the segment c. 5 mm from the top of the segment