Comprehensive Questions (Frequently
Tested) with Verified Answers Graded A+
the wavelength of the infrared waves in the electromagnetic spectrum are - Answer: longer
than visible red light waves
the Geneva Lens Measure is calibrated for a refractive index of - Answer: 1.530
A lens made from 2 convex surfaces - Answer: has against motion
A lens reads +4.25D in the vertometer. If the ocular curve is -4.00D, what is the front base
curve? - Answer: +8.25D
Which of these front base curves would be suitable for a -300D meniscus lens? - Answer: +4.50
A tinted lens will absorb visible light, infrared and ultra violet becasue of - Answer: appropriate
chemicals added during manufacturing and its density
the ability of the eye to focus objects at varying distances is called - Answer: accommodation
the cornea is continuous with the - Answer: sclera
which of the following is not ametropia - Answer: strabismus
the macula is positioned on the - Answer: retina