If a patient fixates on an item in the midsagittal plane and the object is brought toward the patient until one eye turns out, what is being tested?

  1. Near point of convergence.
  2. Far point of convergence.
  3. Accommodative convergence.
  4. Jump convergence.
Explanation

Answer: A - If a patient fixates on an item in the midsagittal plane and the object is brought toward the patient until one eye turns out, near point convergence is being tested.

Near point of convergence is the measurement of the place where the visual axis intersects under the maximum effort of the convergence. The distance before which an object will not be in focus for two eyes without appearing as a double image is determined by near point convergence.

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