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