UPDATED 2025/26 ABO PRACTICE
TEST (QUESTIONS AND ANSWERS)
100% CORRECT!!
, a. rimless mounting a. spread the nose pads apart
b. in the same plane c. more visible
Don't know?
2 of 402
Term
The fitting triangle is a triangle that:
a. is used to check for proper pantoscopic tilt
b. represents the main supporting points for a pair of eyewear
c. used for determining the proper bridge flare when fitting glasses
d. representing facial triangularity
Give this one a try later!
b. the bottoms of the eyewires are c. 5/8 inch steel ball, dropped 50
in closer than the top inches
b. represents the main
b. at the top of the ear to the tip of
supporting points for a pair of
the temple behind the ear
eyewear
Don't know?
3 of 402
,Term
When anti-reflective lens coating is applied to a lens, it has a
thickness of:
a. 3/4 the wavelength of incoming light
b. 1/4 the wavelength of incoming light
c. 3/4 the wavelength of reflected light
d. 1/4 the wavelength of reflected light
Give this one a try later!
c. the longest horizontal c. widen the nose pads or the
measurement bridge
c. is best used with wide, flat b. 1/4 the wavelength of
bridges incoming light
Don't know?
4 of 402
Term
Generally, the greater the power of a plus spherical lens, the:
a. greater the center thickness
b. steeper the plus surface
c. more the lens weighs
d. all of the above
, Give this one a try later!
d. all of the above a. mechanical center
d. lens thickness d. push the front out more
Don't know?
5 of 402
Term
A temple that is marked 6 inches would be closest in length to which
of the following temples?
a. 130 mm
b. 140 mm
c. 150 mm
d. 165 mm
Give this one a try later!
c. wavelength c. optyl
d. +3.00D c. 150 mm
Don't know?
TEST (QUESTIONS AND ANSWERS)
100% CORRECT!!
, a. rimless mounting a. spread the nose pads apart
b. in the same plane c. more visible
Don't know?
2 of 402
Term
The fitting triangle is a triangle that:
a. is used to check for proper pantoscopic tilt
b. represents the main supporting points for a pair of eyewear
c. used for determining the proper bridge flare when fitting glasses
d. representing facial triangularity
Give this one a try later!
b. the bottoms of the eyewires are c. 5/8 inch steel ball, dropped 50
in closer than the top inches
b. represents the main
b. at the top of the ear to the tip of
supporting points for a pair of
the temple behind the ear
eyewear
Don't know?
3 of 402
,Term
When anti-reflective lens coating is applied to a lens, it has a
thickness of:
a. 3/4 the wavelength of incoming light
b. 1/4 the wavelength of incoming light
c. 3/4 the wavelength of reflected light
d. 1/4 the wavelength of reflected light
Give this one a try later!
c. the longest horizontal c. widen the nose pads or the
measurement bridge
c. is best used with wide, flat b. 1/4 the wavelength of
bridges incoming light
Don't know?
4 of 402
Term
Generally, the greater the power of a plus spherical lens, the:
a. greater the center thickness
b. steeper the plus surface
c. more the lens weighs
d. all of the above
, Give this one a try later!
d. all of the above a. mechanical center
d. lens thickness d. push the front out more
Don't know?
5 of 402
Term
A temple that is marked 6 inches would be closest in length to which
of the following temples?
a. 130 mm
b. 140 mm
c. 150 mm
d. 165 mm
Give this one a try later!
c. wavelength c. optyl
d. +3.00D c. 150 mm
Don't know?
