2021 Version

Optician Practice Test

Take this free practice test to see how prepared you are for an optician certification exam.

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1.	To what does a ptosis crutch give support?
		a. Lower lid
		b. Nasal bridge
		c. Nose pads
		d. Upper lid
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2.	A lens' focal length can be altered by:
		a. Changing the curvature of one surface
		b. Coating the surface
		c. Making the lens bigger
		d. Making the lens smaller
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3.	Which instrument measures vertex distance?
		a. Distometer
		b. Lensometer
		c. Polariscope
		d. Vertometer
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4.	What controls the amount of light that enters the eye?
		a. Crystalline Lens
		b. Fovea
		c. Iris
		d. Pupil
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5.	Which word is used to describe light's changing direction as it passes from one medium to another?
		a. Diffusion
		b. Reflection
		c. Refraction
		d. Retraction
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6.	Frame materials are available in which two forms?
		a. Hard and soft
		b. Metal and plastic
		c. Rigid and flexible
		d. Round and square
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7.	Meniscus, equiconcave and flat concave are types of:
		a. Astigmatic lenses
		b. Minus lenses
		c. Plus lenses
		d. Spherocylinder lenses
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8.	What is the term used to describe the eye's tendency to turn from its normal position?
		a. Exophoria
		b. Exotropia
		c. Phoria
		d. Tropia
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9.	What is the refractive condition in which light focuses directly on the retina?
		a. Emmetropia
		b. Hyperopia
		c. Myopia
		d. Presbyopia
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10.	What kind of lens has one convex and one concave surface?
		a. Biconcave
		b. Biconvex
		c. Meniscus
		d. Plano-convex
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11.	What material has the most favorable optical properties?
		a. Crown glass
		b. Plastic
		c. Polycarbonate
		d. Trivex
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12.	What is the best lens treatment to reduce water and road surface glare?
		a. AR
		b. Dark tint
		c. Photochromic
		d. Polarized
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13.	Which private agency is responsible for establishing commercial and industry standards?
		a. ANSI
		b. ASCII
		c. ASTM
		d. None of the above
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14.	Which frame adjustment lowers the front of the frame?
		a. Bending the pad arms down
		b. Bringing the pads closer together
		c. More pantoscopic tilt
		d. Spreading pads further apart
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15.	The hard resin material used in plastic lenses is known as:
		a. Cellulose acetate
		b. CR-39
		c. CR-49
		d. PMMA
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16.	How is multifocal height usually measured?
		a. From the lower edge of the lens
		b. From the upper edge of the lens
		c. From the lower edge of the frame
		d. From the upper edge of the frame
Incorrect answer. Please choose another answer.

17.	Aphakia is:
		a. The absence of accommodation
		b. The absence of the crystalline lens
		c. The presence of a cataract
		d. The presence of a refractive error
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18.	Which of the following is an advantage to a titanium frame?
		a. Corrosion resistant
		b. Easy to adjust
		c. Returns to original shape after bending
		d. None of the above
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19.	The cornea's index of refraction is:
		a. 1.31
		b. 1.37
		c. 1.47
		d. 1.51
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20.	Which term is used to describe the outward inclination of the bottom of a framed lens?
		a. Pantoscopic
		b. Periscopic
		c. Retractive
		d. Retroscopic
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21.	Which lens characteristic corrects astigmatism?
		a. Cylinder power
		b. Minus power
		c. Plus power
		d. Prism power
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22.	A patient with astigmatism has a ________ cornea.
		a. Clear
		b. Cloudy
		c. Misshapen
		d. Round
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23.	A polariscope is used to detect internal lens stress.
		True
		False
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24.	A monocular PD is given as one number.
		True
		False
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25.	Axis is the notation of power on a lens.
		True
		False
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