QUESTIONS AND
CORRECT ANSWERS
GRADED A+ 2025-2026
The ability of the eye to focus on objects at different distances - ANS-Accommodation
Fresnel optics - ANS-Press on prism
Frame material that resist stretching with heat - ANS-Nylon
Bridge type that spreads weight over the greatest area - ANS-Saddle
Amount of jump image is not affected by - ANS-The seg inset
Double vision - ANS-Diplopia
Modern AR coated lenses transmit how much light - ANS-99.5%
Shortest wavelength - ANS-Violet
The condition where Rays of light focus behind the retina - ANS-Hyperopia
Condition where pressure inside the eye is dangerously high - ANS-Glaucoma
, In the frame boxing system,the distance from right lens geometric center to left lens
geometric center - ANS-Frame PD
G-15 Lenses transmit how much light - ANS-85%
What type of temple is best for active kids - ANS-Riding bow
Heating a Zyl frame and quenching it in cold water causes it to - ANS-Shrink
How many inches is .5 meters - ANS-19.7
10 inches is approximately how many meters - ANS-1/4
The index of refraction of a material - ANS-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 - ANS-Cause destructive
interference to different light colors
What kind of distortion is characteristic of a high minus lens - ANS-Barrel
When calculating vertical imbalance, what does NOT need to be considered - ANS-
Cylinder power in the 90 degree meridian
The index of refraction is lowest in - ANS-Air
Light changing direction when passing from one clear medium to another - ANS-
Refraction
The wave particle duality means that light - ANS-Displays both particle and wave
behavior