ABO PRACTICE TEST EXAM | NEWEST
EXAM COMPLETE QUESTIONS AND
VERIFIED ANSWERS
If B = 44 what is the bifocal height if the segment is to be set 3 below?
a. 22
b. 20
D
c. 19
O
d. 18 - ✔✔✔ Correct Answer > c. 19
N
O
On which of the following lenses would you perform a bicentric grind on a plastic
T
lens to correct for vertical imbalance at the reading level?
C
OD: -1.00 -1.00 x 045
O
OS: -4.00 -1.00 x 060
PY
a. OD
b. OS
c. split the correction between both eyes
d. a bicentric grind is unnecessary with this prescription - ✔✔✔ Correct Answer >
b. OS
What is the average convergence distance in children?
,a. 5 mm
b. 2 mm
c. 6 mm
d. 3 mm - ✔✔✔ Correct Answer > b. 2 mm
What is the minimum fitting height for most progressive lenses?
a. 18 mm
b. 22 mm
D
c. 26 mm
O
d. 29 mm - ✔✔✔ Correct Answer > b. 22 mm
N
O
T
If there was a height of 24 mm for each of the following, which lens shape would
be your last choice for a PAL?
C
O
PY
a. aviator
b. round
c. oval
d. octagonal - ✔✔✔ Correct Answer > a. aviator
A thermoplastic frame material that is molded instead of stamped out, and therefore
returns to its original shape when heated, is:
a. cellulose acetate
b. cellulose aceto-propionate
,c. optyl
d. nylon - ✔✔✔ Correct Answer > c. optyl
Which segment style would you choose for a plumber who requires above eye-
level close vision?
a. ribbon
b. round 22
c. franklin style
D
d. double d - ✔✔✔ Correct Answer > d. double d
O
N
The base curve of any multifocal lens is found on the surface containing the:
O
T
a. cross curve
C
b. cylinder surface
O
PY
c. segment
d. ocular curve - ✔✔✔ Correct Answer > c. segment
A person with erect posture, head held back, would need his segs set
____________ when measuring for a multifocal lens.
a. higher than normal
b. without compensation
c. lower than normal
d. with a greater inset - ✔✔✔ Correct Answer > c. lower than normal
, Normal slab-off (bicentric grind) is ground on the lens whose vertical meridian has
the:
a. strongest curves
b. most plus power
c. least plus power
d. least minus power - ✔✔✔ Correct Answer > c. least plus power
D
DBL refers to:
O
N
a. distance below line
O
b. decentration between lenses
T
c. closest distance between lenses
C
d. double d - ✔✔✔ Correct Answer > c. closest distance between lenses
O
PY
A spectacle fame material that has high flexibility and will maintain the flexibility
if soaked overnight periodically in water is:
a. cellulose acetate
b. cellulose aceto-propionate
c. optyl
d. nylon - ✔✔✔ Correct Answer > d. nylon
EXAM COMPLETE QUESTIONS AND
VERIFIED ANSWERS
If B = 44 what is the bifocal height if the segment is to be set 3 below?
a. 22
b. 20
D
c. 19
O
d. 18 - ✔✔✔ Correct Answer > c. 19
N
O
On which of the following lenses would you perform a bicentric grind on a plastic
T
lens to correct for vertical imbalance at the reading level?
C
OD: -1.00 -1.00 x 045
O
OS: -4.00 -1.00 x 060
PY
a. OD
b. OS
c. split the correction between both eyes
d. a bicentric grind is unnecessary with this prescription - ✔✔✔ Correct Answer >
b. OS
What is the average convergence distance in children?
,a. 5 mm
b. 2 mm
c. 6 mm
d. 3 mm - ✔✔✔ Correct Answer > b. 2 mm
What is the minimum fitting height for most progressive lenses?
a. 18 mm
b. 22 mm
D
c. 26 mm
O
d. 29 mm - ✔✔✔ Correct Answer > b. 22 mm
N
O
T
If there was a height of 24 mm for each of the following, which lens shape would
be your last choice for a PAL?
C
O
PY
a. aviator
b. round
c. oval
d. octagonal - ✔✔✔ Correct Answer > a. aviator
A thermoplastic frame material that is molded instead of stamped out, and therefore
returns to its original shape when heated, is:
a. cellulose acetate
b. cellulose aceto-propionate
,c. optyl
d. nylon - ✔✔✔ Correct Answer > c. optyl
Which segment style would you choose for a plumber who requires above eye-
level close vision?
a. ribbon
b. round 22
c. franklin style
D
d. double d - ✔✔✔ Correct Answer > d. double d
O
N
The base curve of any multifocal lens is found on the surface containing the:
O
T
a. cross curve
C
b. cylinder surface
O
PY
c. segment
d. ocular curve - ✔✔✔ Correct Answer > c. segment
A person with erect posture, head held back, would need his segs set
____________ when measuring for a multifocal lens.
a. higher than normal
b. without compensation
c. lower than normal
d. with a greater inset - ✔✔✔ Correct Answer > c. lower than normal
, Normal slab-off (bicentric grind) is ground on the lens whose vertical meridian has
the:
a. strongest curves
b. most plus power
c. least plus power
d. least minus power - ✔✔✔ Correct Answer > c. least plus power
D
DBL refers to:
O
N
a. distance below line
O
b. decentration between lenses
T
c. closest distance between lenses
C
d. double d - ✔✔✔ Correct Answer > c. closest distance between lenses
O
PY
A spectacle fame material that has high flexibility and will maintain the flexibility
if soaked overnight periodically in water is:
a. cellulose acetate
b. cellulose aceto-propionate
c. optyl
d. nylon - ✔✔✔ Correct Answer > d. nylon
