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1.

Imaging

In fluorescein fungus imaging which colour is the excitation filter?

Yellow

Green

Red

Blue

None

2.

Prisms

Which of the following statements regarding the Prentice position is least likely?

Glass prisms are traditionally held in the prentice position

The incident ray is normal to one surface of the prism

The angle of incidence equals the angle of emergence

The deviation of light is greater in the Prentice position than in the position of minimum deviation

None

3.

Prescriptions

Which test is commonly used to measure the amplitude of accommodation?

Push-up test

Worth 4-dot test

Bagolini striated lenses

Maddox rod test

None

4.

Calculations

Transpose the -4.00 DS/ -3.00 DC X 45 into positive cylinder notation?

−5.50 DS/ +3.00 DCx45

−5.50 DS/ +3.00 DCx135

−7.00 DS/ +3.00 DCx135

−7.00 DS/ +3.00 DCx45

None

5.

Calculations

What is the optical power (D) of a convex spherical lens with a focal length of 25 cm?

+4.00D

-4.00D

-2.50D

+2.50D

None

1 2 3 4 5

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