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ABO-NCLE Exam Questions With Complete Solutions

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ABO-NCLE Exam Questions With Complete Solutions

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  • October 29, 2024
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ABO-NCLE Exam Questions With Complete Solutions

337.50 Correct Answer The number to remember when
converting diopters to millimeters

A lens that is convex on one side and flat on the other Correct
Answer plano-convex

a meniscus lens that thinner in the center than in the periphery
Correct Answer minus meniscus lens

abbe value Correct Answer the amount of chromatic abberation
produced by a lens material

abbe value for glass Correct Answer 58

abbe value for plastic Correct Answer 1.74= 32 abbe
1.7= 36 abbe
1.67= 32
1.6= 42 abbe

abbe value for polycarbonate Correct Answer 30

abbe value for standard plastic Correct Answer 58

abbe value for trivex Correct Answer 45

adjust beam Correct Answer used to adjust the width and or
height of the beam

,adnexa Correct Answer the ocular adnexa includes the
conjuctiva, the periorbital area including the eyelids and the
orbit

amblyopia Correct Answer eyes cant work together, lazy eye
occurs

an abbe value is a measure of Correct Answer chromatic
aberration

Anisometropia Correct Answer the eyes have different
refractive powers

ANSI Correct Answer the association that sets standards for
eye protection

anterior chamber Correct Answer the space between the back
of the cornea and the front surface of the iris

apex Correct Answer the tip of a triangle when drawing the
prisms of plus and minus lenses

aspheric lens Correct Answer Minimizes spherical aberrations

astigmatism Correct Answer corneal surface is not round. it is
more curved in one direction than in the direction perpendicular
to it

ASTM Correct Answer the associtaion that sets rules for the
safety testing of eyewear materials

, blocking Correct Answer correctly positioning a lens so it can
be cut to fit a frame

blue blocking lenses Correct Answer help reduce melatonin
blocked by digital devices

bridge Correct Answer the portion of the frame between the
lenses that sits over the nose

bridge size range (in mm) Correct Answer 13-16 mm

chromatic abberation Correct Answer caused by the refraction
of different wavelengths and results in colored fringes around
images

chromatic aberration Correct Answer when the lens does not
focus all the wavelengths of color to one point

cintacts lenses are usually fit to this curvature of the cornea
Correct Answer flattest

circumference gauge Correct Answer a measuring tape that fits
snugly around the lens perimeter and is measured in millimeters

cobalt filter knob Correct Answer this knob flips on the cobalt
filter in front of the lamp so when fluorescein dye is used on the
cornea, it absorbs the blue light and highlights damaged corneal
tissue. just above this is a knob to flip the cobalt filter in front of
the beam. this knob also enables you to flip in a filter to dim the
intensity of the lamp and adjust the size of the circular light

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