On MEM, a shift towards against motion with a bright pink or white reflex indicates what?

Study for the Advanced Binocular Vision Exam 2. Test with multiple choice questions, featuring hints and explanations. Be ready for success on your exam day!

Multiple Choice

On MEM, a shift towards against motion with a bright pink or white reflex indicates what?

Explanation:
In MEM, you’re testing how well the eye’s accommodation matches the near-task demand by introducing a minus lens and watching the retinal reflex move as you observe the pupil. A drift of the reflex toward against motion means the eye is accommodating more than the lens demand requires—the reflex appears to move opposite to the direction you’re sweeping. The bright pink or white reflex simply confirms you’re seeing a clear, strong reflex, supporting that this motion strip is real. So this pattern indicates an accommodative lead (over-accommodation) at near. If the reflex shifted toward with motion, it would suggest under-accommodation (accommodative lag); no change would be a neutral response.

In MEM, you’re testing how well the eye’s accommodation matches the near-task demand by introducing a minus lens and watching the retinal reflex move as you observe the pupil. A drift of the reflex toward against motion means the eye is accommodating more than the lens demand requires—the reflex appears to move opposite to the direction you’re sweeping. The bright pink or white reflex simply confirms you’re seeing a clear, strong reflex, supporting that this motion strip is real. So this pattern indicates an accommodative lead (over-accommodation) at near. If the reflex shifted toward with motion, it would suggest under-accommodation (accommodative lag); no change would be a neutral response.

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