QUESTIONS AND ANSWERS 2026
UPDATED 2026.
⫸ 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