Q&A Chapter 3 Lens Form & Analysis
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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| show | steeper
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| show | flatter
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| The smaller the sphere the _______ the curve. | show 🗑
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| A lens that is both concave and convex is known as a ________ lens | show 🗑
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| A concave lens is known as a _____ lens | show 🗑
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| show | plus
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| show | Myodisc
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| show | Aberrations
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| show | The Lens Clock
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| The Lens Clock is calibrated for what index of refraction? (the number not the name) | show 🗑
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| show | True
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| show | False
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| show | 1.53
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| show | astigmatism
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| What is the name of the term for when the distance of the ocular or back surface of a lens is away from the patient's cornea? | show 🗑
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| A +10.00 lens has moved away from a patient's eyes by 5mm. What is the power of the lens for the patient now? | show 🗑
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| show | -10.50
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| A +10.00 lens has moved closer to a patient's eyes by 5mm. What is the power of the lens for the patient now? | show 🗑
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| A -10.00 lens has been moved away from a patient's eyes by 5mm. What is the power of the lens for the patient now? | show 🗑
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| What does RVD stand for? | show 🗑
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| What does FVD stand for? | show 🗑
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| True or False: A distometer can accurately measure vertex distance. | show 🗑
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| True or False: A distometer can measure lens thickness. | show 🗑
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| show | +/- 7.00
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| What is the Base Curve for the power ranges of Plano to +2.00 | show 🗑
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| What is the Base Curve for the power ranges of -2.00 to -4.50 | show 🗑
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| show | +10.00
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| In modern medical ophthalmic lenses, ocular curves are always ______ or ________ | show 🗑
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| show | more
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| A larger sphere will have ____ power. | show 🗑
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| show | smaller
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| show | larger
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| Higher index materials create lenses with natural _______ base curves. | show 🗑
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
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