ABO BUNDLED EXAM QUESTIONS RATED A+

If the wearer complains of the bifocal line being somewhat in his way when driving, the problem may be alleviated by decreasing the distance between pads. True or False - ANSWER False If the wearer complains that the glasses feel snug but still slip down the nose, one likely cause is that: ...

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 no...

Name the 3 types of tunics of the eye, and what areas of the eye they consist of. - ANSWER 1. Fibrous: cornea and sclera (outer protective coating) 2. Vascular: iris, ciliary body and choroid (uveal tract) 3. Neural: retina During accommodation, what 3 things do the eyes do? - ANSWER 1. Cil...

Sclera - ANSWER Tough, white outer coat of the eyeball myopia - ANSWER nearsightedness; the condition in which parallel rays of light are brought into focus in front of the retina, rather than on it reflection - ANSWER light that bounces back refraction - ANSWER when the direction of light ...

How do you lower the front of the frame? - ANSWER 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? - ANSWER Pressure is being applied by the temple shafts anterior...

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 vert...

The extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______of these muscles. - ANSWER Six The fibrous tunic is comprised of the: - ANSWER Sclera and cornea Fusion occurs: - ANSWER In the brain The aqueous fluid is continual...

vitreous humor - ANSWER the transparent, colorless mass of soft, gelatinous material which fills the eyeball behind the lens: 1.42 - ANSWER the index of refraction of the crystalline lens is: 1.37 - ANSWER the cornea has an index of refraction of: 6 - ANSWER the extra-ocular muscles are ins...

Single Vision - ANSWER corrects for one distance Multifocal - ANSWER Corrects with two or more prescriptions (or 'powers') Bifocal - ANSWER lens having two focus strengths Trifocal - ANSWER pertaining to having three focus strengths Calculating Prismatic Effects - ANSWER obtained at th...

When discussing thick lenses, the factors which are considered in computing the lens power are: - ANSWER Front curve, back curve, thickness and index Which crown glass bifocal type will have the least chromatic aberration? - ANSWER A "one piece" lens Toric transposition shows: - ANSWER Power...

When taking seg height measurements, which of the following situations could result in a parallax error? - ANSWER Patient sitting/ dispenser standing erect Which of the following is not significant in identifying the problem of vertical imbalance? - ANSWER Patient's age Which of the following...

When discussing thick lenses, the factors which are considered in computing the lens power are: a. front curve, thickness and index b. back curve, thickness and index c. front curve, back curve and thickness d. front curve, back curve, thickness and index - ANSWER d. front curve, back curve, t...

To what does a ptosis crutch give support? - ANSWER -Upper Lid. How is a lens' focal LENGTH altered? - ANSWER -Changing the curvature of one surface. Which instrument measures vertex distance? - ANSWER -Distometer. What controls the amount of light that enters the eye? - ANSWER -Iris. W...

Light falling on the front surface of a spectacle lens is: A) partially reflected, partially absorbed and the remainder refracted B) partially reflected and the remainder refracted C) partially absorbed and the remainder refracted D) totally refracted - ANSWER A) partially reflected, partially...