ABO REVIEW questions and verified
answers
Sclera - CORRECT ANSWER-Tough, white outer coat of the eyeball
myopia - CORRECT ANSWER-nearsightedness; the condition in which parallel
rays of light are brought into focus in front of the retina, rather than on it
reflection - CORRECT ANSWER-light that bounces back
refraction - CORRECT ANSWER-when the direction of light changes as it passes
from one medium to another(bending of light)
presbyopia - CORRECT ANSWER-Age of 40
need reading glass crystalline lens diminishes
frame difference - CORRECT ANSWER-the difference betweeen the horizontal
and vertical measurement
Ex. 50-45= 5mm
MPD - CORRECT ANSWER-mechanical PD in a finished pair of glasses
the distance between the optic center
measuring PD - CORRECT ANSWER-should sit at 40 cm(16in) from patient
average PD for adults - CORRECT ANSWER-50mm to 75mm
diplopia - CORRECT ANSWER-double vision
plus lens - CORRECT ANSWER-thick at the center
magnify
converge
FL in front of lens
minus lens - CORRECT ANSWER-think at the center
answers
Sclera - CORRECT ANSWER-Tough, white outer coat of the eyeball
myopia - CORRECT ANSWER-nearsightedness; the condition in which parallel
rays of light are brought into focus in front of the retina, rather than on it
reflection - CORRECT ANSWER-light that bounces back
refraction - CORRECT ANSWER-when the direction of light changes as it passes
from one medium to another(bending of light)
presbyopia - CORRECT ANSWER-Age of 40
need reading glass crystalline lens diminishes
frame difference - CORRECT ANSWER-the difference betweeen the horizontal
and vertical measurement
Ex. 50-45= 5mm
MPD - CORRECT ANSWER-mechanical PD in a finished pair of glasses
the distance between the optic center
measuring PD - CORRECT ANSWER-should sit at 40 cm(16in) from patient
average PD for adults - CORRECT ANSWER-50mm to 75mm
diplopia - CORRECT ANSWER-double vision
plus lens - CORRECT ANSWER-thick at the center
magnify
converge
FL in front of lens
minus lens - CORRECT ANSWER-think at the center
