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NAO Exam Review Book: Questions With A+ Solutions
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NAO Exam Review Book: Questions With A+ Solutions
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NAO Exam Review Book: Questions With A+ SolutionsFormula of Metric System: Right Ans - 1 m = 10 dm = 100 cm = 1000 mm
How many nanometers are there in a meter? Right Ans - There are one
billion nanometers in a meter
The wavelengths of the infrared waves in the electromagnetic spectrum are:
Right Ans - Longer than visible red light waves
The geneva lens measure is calibrated for a refractive index of: Right Ans -
1.530
A lens made from 2 convex surfaces: Right Ans - Has against motion
Using the corrected curve theory, a lens reads +4.25D in the vertometer. If the
ocular curve is -4.00D, what is the front base curve? Right Ans - +8.25D
Which of these front base curves would be suitable for a -3.00D meniscus
lens? Right Ans - +3.00
A tinted lens will absorb visible light, infrared and ultraviolet because of:
Right Ans - Appropriate chemicals added during manufacturing and its
density
Moves the eye up Right Ans - Superior Rectus
Rotates the eye so that the top of the eye moves toward the nose Right Ans
- Superior oblique
Moves eye toward the nose Right Ans - Medial Rectus
Moves eye away from the nose Right Ans - Lateral Rectus
Moves the eye down Right Ans - Inferior Rectus
Rotates the eye so that the top of the eye moves away from the nose Right
Ans - Inferior Oblique
, The four rectus muscles arise from a fibrous ring at the back of the orbit called
__________ Right Ans - The Annulus of Zinn
The ability of the eye to turn out is called: Right Ans - Abduction
The ability of the eye to turn in is called: Right Ans - Adduction
A _____ refers to the potential (or tendency) for an eye to turn or deviate. If the
eye actually deviates, it is called a _____ Right Ans - Phoria, tropia
If the occluded eye turns in Right Ans - Esophoria
If the occluded eye turns out Right Ans - Exophoria
If the occluded eye turns downward Right Ans - Hypophoria
If the occluded eye does not turn or deviate Right Ans - Orthophoria (eyes
that are correctly carried)
Also called "lazy eye" is decreased vision in the deviating eye due either to
strabismus or an uncorrected refractive error. Right Ans - Amblyopia
The ability of the eye to focus objects at varying distances is called: Right
Ans - Accommodation
The cornea is continuous with the: Right Ans - Sclera
Which of the following is not an ametropia Right Ans - Strabismus
The macula is positioned on the: Right Ans - Retina
An opacity in the crystalline lens causing a reduction in vision is called:
Right Ans - Cataract
A simultaneous movement of both eyes in opposite directions is called:
Right Ans - Vergence
In order for the cornea to maintain transparency, it must have: Right Ans -
A liquid environment
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