Answer :
Final answer:
In eye examination The 'gaze tracer' feature enables the examiner to observe the patient's eye, utilizing an electronic eye motion detector and blind spot monitoring. This feature assists in studying the patient's eye movement and observing any abnormalities like internuclear ophthalmoplegia, which can result in double vision due to non-synchronized eye movement.
Explanation:
The feature that includes the ability for the examiner to view the patient's eye, an electronic eye motion detector (gaze tracer), and blind spot monitoring is the Gaze Tracer. This tool aids in assessing the patient's eye movement.
The examination involves the patient tracking an object, such as the tip of a pen, through the visual field while maintaining a steady gaze.
The examiner observes for conjugate movements, which reflect the successful function of the related nuclei and the MLF. On the occurrence of any issues like internuclear ophthalmoplegia, where one eye fails to move in sync with the other, the patient experiences diplopia or double vision.
This situation arises due to the failure of any extraocular muscles to execute perfect synchronized movement with the other eye.
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