Lenses and Prisms — Flashcards

Lenses and Prisms — Flashcards

Lenses and Prisms — Flashcards
#1

_____ (flip-cross technique) is used to refine the power and axis of the cylindrical lens.

#2

The refraction of light is the maximum at the _____

#3

Myopia must never be _____-corrected with spectacles.

#4

The refractive index is the maximum at the _____

#5

Presbyopia is corrected by the use of a _____ lens

#6

Pinhole prevents the peripheral rays and also reduces the _____ aberration, thus improving visual acuity

#7

The following retinoscope is also called _____

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#8

What is the name of the following test used for testing colour vision? _____

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#9

_____ is used to test color vision

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#10

Stenopaeic slit can be used to determine the axis of the cylinder in _____.

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Lenses and Prisms Flashcards | Optics and Refraction Study Cards - OnCourse