An examiner is using an ophthalmoscope on a patient who has astigmatism and is nearsighted.Which of the following techniques would indicate that the examination is being performed correctly?
A) Using the large full circle of light when assessing pupils that are not dilated
B) Rotating the lens selector dial to the black numbers to adjust for astigmatism
C) Using the grid on the lens aperture dial to visualize the external structures of the eye
D) Rotating the lens selector dial to the red numbers to adjust for nearsightedness
Correct Answer:
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