Please see figure: See the figure below. The margin reflex distance is the distance from the center of the pupil to the lower limit of the upper eyelid. Normal MRD is 4-5 mm. A measurement of less begins to be ptosis.
Answered 4/9/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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