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How do you assess light projection in a patient?

  1. Use a keratometer

  2. Check pupil response

  3. Shine a light in 4 quadrants and ask the patient to point to the direction of the light source

  4. Check intraocular pressure

The correct answer is: Shine a light in 4 quadrants and ask the patient to point to the direction of the light source

Assessing light projection in a patient involves shining a light in different quadrants and asking the patient to point in the direction of the light source. Option A, using a keratometer, is used for measuring corneal curvature and not light projection. Option B, checking pupil response, is used to assess the function of the pupil and its response to light, but it is not specifically used for assessing light projection. Option D, checking intraocular pressure, is used to measure the fluid pressure inside the eye and is not directly related to assessing light projection in a patient. Therefore, option C is the correct answer for this question.