ABO Practice Questions and Answers
(100% Verified)
How do you lower the front of the frame? - Move nose pads further apart or increase
pantoscopic tilt (2 degrees = 1mm)
If the wearer complains that the glasses feel snug but still slip down the nose, one likely
cause is that? - Pressure is being applied by the temple shafts anterior to the ear.
When the wearers PD is less than the frame PD what should you do? - Positive face form
The new bifocal wearer must: - Drop the eyes to read a book
When the frame front is tested for four point touch, but only touches on the two temporal
sides, the frame is? - Has face form
What error cannot be detected by the four point test? - Skewing
The main reason for a lenticular lens is? - They are lighter in weight
The steps for "finishing" a lens are? - Edging, Centration, Blocking, Spotting
What type of frame may be heated until it bends under its own weight? - Optyl
Usual reading level is considered to be ______ mm below - 8 mm
Trifocals are most generally prescribed when the patient is: - An advanced presbyope
A bifocal lens wearer having trouble accommodating can be helped by? - Adding plus
power to his prescription
The standard distance between double d segments? - 13 to 14mm
What will excessive base up prism cause? - Makes people feel like they are walking down
hill
Photochromatic lenses will be darkest on what kind of day? - Cold and bright
A number 3 tint absorbs: - 80% of the light entering the lens
What can you except Medicare to cover? - Corrective lenses after cataract surgery
(100% Verified)
How do you lower the front of the frame? - Move nose pads further apart or increase
pantoscopic tilt (2 degrees = 1mm)
If the wearer complains that the glasses feel snug but still slip down the nose, one likely
cause is that? - Pressure is being applied by the temple shafts anterior to the ear.
When the wearers PD is less than the frame PD what should you do? - Positive face form
The new bifocal wearer must: - Drop the eyes to read a book
When the frame front is tested for four point touch, but only touches on the two temporal
sides, the frame is? - Has face form
What error cannot be detected by the four point test? - Skewing
The main reason for a lenticular lens is? - They are lighter in weight
The steps for "finishing" a lens are? - Edging, Centration, Blocking, Spotting
What type of frame may be heated until it bends under its own weight? - Optyl
Usual reading level is considered to be ______ mm below - 8 mm
Trifocals are most generally prescribed when the patient is: - An advanced presbyope
A bifocal lens wearer having trouble accommodating can be helped by? - Adding plus
power to his prescription
The standard distance between double d segments? - 13 to 14mm
What will excessive base up prism cause? - Makes people feel like they are walking down
hill
Photochromatic lenses will be darkest on what kind of day? - Cold and bright
A number 3 tint absorbs: - 80% of the light entering the lens
What can you except Medicare to cover? - Corrective lenses after cataract surgery
