ABO QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
The ability of the eye to focus on objects at different distances - ANSWER Accommodation
Fresnel optics - ANSWER Press on prism
Frame material that resist stretching with heat - ANSWER Nylon
Bridge type that spreads weight over the greatest area - ANSWER Saddle
Amount of jump image is not affected by - ANSWER The seg inset
Double vision - ANSWER Diplopia
Modern AR coated lenses transmit how much light - ANSWER 99.5%
Shortest wavelength - ANSWER Violet
The condition where Rays of light focus behind the retina - ANSWER Hyperopia
Condition where pressure inside the eye is dangerously high - ANSWER Glaucoma
In the frame boxing system,the distance from right lens geometric center to left lens geometric center -
ANSWER Frame PD
G-15 Lenses transmit how much light - ANSWER 85%
What type of temple is best for active kids - ANSWER Riding bow
, Heating a Zyl frame and quenching it in cold water causes it to - ANSWER Shrink
How many inches is .5 meters - ANSWER 19.7
10 inches is approximately how many meters - ANSWER 1/4
The index of refraction of a material - ANSWER The speed of light in air divided by the speed light in the
material
The multiple anti reflective of an AR lens stack are designed to - ANSWER Cause destructive interference
to different light colors
What kind of distortion is characteristic of a high minus lens - ANSWER Barrel
When calculating vertical imbalance, what does NOT need to be considered - ANSWER Cylinder power in
the 90 degree meridian
The index of refraction is lowest in - ANSWER Air
Light changing direction when passing from one clear medium to another - ANSWER Refraction
The wave particle duality means that light - ANSWER Displays both particle and wave behavior
Cloudiness of the crystalline lens - ANSWER Cataract
A patient with a PD of 65 chooses a 54-18 frame. What will the decentration be in each eye - ANSWER
3.5mm in
Patient PD > - ANSWER Decentration is out
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