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Optician Practical Exam Study Material With Questions And 100% SURE ANSWERS
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JACKLINEOptician Practical Exam Study Material With Questions And 100% SURE ANSWERS
Terms in this set (134)
a lens focal length may be altered by? changing the curvature of one surface
what controls the amount of light that enters the Iris
eye?
lights changing direction as it passes from one refraction
medium to another is called what?
meniscus, equiconcave and flat concave are all, minus lenses
what?
what term is used to describe the eyes tendency to phoria
TURN from its normal position?
, 8/6/24, 6:32 PM
refractive condition where light focuses directly ON emmetriopia
the retina...?
one convex and one concave surface is known as... a meniscus lens
best lens treatment to reduce water and road glare? polarized
establishes commercial and industry standards.. ANSI
hard resin used in plastic cr39
multifocals are measured to the... lower edge of lens not frame
corneas index of refraction 1.37
lens characteristic that corrects astigmatism is cylinder power
called....
progressive marks are ____ mm apart 34 mm
what prism could help EXOtropia? base in prism
what prism could help ESOtropia? base out prism
what happens if you move a PLUS lens CLOSER to loses perceived power
the eye?
what happens if you move a PLUS lens AWAY from gains perceived power
the eye?
what happens if you move a MINUS lens CLOSER to gains perceived power
the eye?
what happens if you move a MINUS lens AWAY from loses perceived power
the eye?
Vertical prism U&U and D&D cancel out, but U&D ADD U and D
you ____
horizontal prism O&O add, I&I add, But I&O____ Cancel ea other I&O
TP @ 90 first column is? 0,30,45,60,90
Optician Practical Exam Study Material
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