ABO Optician Test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The middle layer of the Eyeball consists of | Choroid, Ciliary Body, and the Iris
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| FTC | Federal Trade Commission
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| FDA | Food and Drug Association
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| Outer Layer | Sclera, Cornea, Limbus
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| The part of a pair of spectacles that attaches to the frame front and hooks over the ears and holds them in place. | Temple
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| What is the most commonly used plastic? | Cellulose Acetate
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| diplopia | Double Vision
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| Best lenses to give someone that plays Golf | Round 22
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| Abnormal sensitivity to light | Photophobia
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| How do I get an add power front to different RX a near and distance? | Near power + Distance Power = RX add
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| Crown Glass Index | 1.52
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| CR-39 index | 1.49
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| Trivex index | 1.532
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| Polycarbonate index | 1.58
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| What is Plus lens front surface called? A. Concave B. Convex | Convex
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| What is a minus lens front surface called? A. Convex B. Concave | Concave
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| The refractive condition that occurs when parallel rays entering the eye do not focus on the retina when the eye is not accommodating. | Ametropia
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| Latin, oculus dexter (right eye). | OD
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| Latin, oculus sinister (Left eye) | OS
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| Zylonite | Cellulose nitrate
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| 3-Piece Mounting | Rimless
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| Secure the lens in place w/ clips attached to a bar of tensile steel thatr fits into a nasal and a temporal notch | Balgrip
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| Ability to maintain single binocular vision w/ both eye | Fusion
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| what does a ptosis crutch give support? | Upper lid
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| A lens' focal length can be altered by: | Changing the curvature of one surface
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| Which instrument measures vertex distance? | Distometer
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| What controls the amount of light that enters the eye? | Iris
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| Which word is used to describe light's changing direction as it passes from one medium to another? | Refraction
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| Meniscus, equiconcave and flat concave are types of: | Minus lenses
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| What is the term used to describe the eye's tendency to turn from its normal position? | Phoria
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| What is the refractive condition in which light focuses directly on the retina? | Emmetropia
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| What kind of lens has one convex and one concave surface? | Meniscus
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| What material has the most favorable optical properties? | Crown Glasses
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| What is the best lens treatment to reduce water and road surface glare? | Polarized
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| Which private agency is responsible for establishing commercial and industry standards? | ANSI
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| Which frame adjustment lowers the front of the frame? | Spreading pads further apart
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| The hard resin material used in plastic lenses is known as: | CR-39
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| How is multifocal height usually measured? | From the lower edge of the lens
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| The absence of the crystalline lens: | Aphakia
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| Which of the following is an advantage to a titanium frame? | Corrosion resistant
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| Which term is used to describe the outward inclination of the bottom of a framed lens? | Retroscopic
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| A polariscope is used to detect internal lens stress. True or False | True
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| What is clear fluid filling the space in the front of the eyeball between the lens and the cornea? | aqueous humor
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| What is the condition of increased pressure within the eyeball, causing gradual loss of sight? | Glaucoma
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| What is the trade name for an epoxy resin material used to make spectacle frame? | Optyl
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| What is the vascular (major blood vessel) layer of the eye lying between the retina and the sclera. Provides nourishment to outer layers of the retina. | Choroid
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| Blood in the anterior chamber, such as following blunt trauma to the eyeball. | hyphema
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| What structure directly behind the iris of the eye and contains the ciliary muscle | Ciliary Body
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| Mucous membrane that lines the visible part of the eye and the inner surface of the eyelid. | Conjunctiva
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| What is the cornea's inner layer of cells. | Endothelium
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| What is used to describe the condition where a person has different colored eyes — one blue eye and one green eye | Heterochromia
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Created by:
Lmkelly19
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