Margin to reflex distance (MRD) is an important clinical eyelid measurement in the assessment of ptosis.

Mar 1, 2011 · To avoid confusion or even embarrassing mistakes, here are some of the most commonly used appropriate abbreviations. Use them to standardize documentation in the …

Aug 11, 2022 · Margin to reflex distance (MRD)—the distance from the margin of the upper lid to the central corneal reflex (normal is 4.0-4.5mm). In general, eyelid asymmetry is confirmed …

Jun 3, 2018 · Best corrected visual acuity of each eye. Margin reflex distance (MRD): MRD 1: Upper lid margin to central corneal light reflex. MRD 2: Lower lid margin to corneal reflex. …

Jul 11, 2019 · There are two margin-to-reflex distances (MRD), corresponding to the measurement from the upper and lower eyelids: MRD1: upper eyelid margin-to-light reflex; this …

Apr 15, 2020 · Primarily, these measurements, called margin reflex distance (MRD) 1, 2 and 3, are performed using a penlight directed at the patient’s eyes while in primary gaze.

Apr 6, 2015 · When examining the eyelid for ptosis there are three important measurements that need to be obtained: lid crease height, margin reflex distance (MRD), and levator function. …

The distance from the central pupillary light reflex to the central margin of the upper eyelid (marginal reflex distance 1 (MRD-1)) helps define the presence and severity of ptosis. In the …

To evaluate the utility of margin-reflex distance (MRD) as an alternative to levator function (LF) in choosing the appropriate surgical procedure for congenital blepharoptosis. This was a …

Nov 16, 2023 · Learn about Margin to Reflex Distance 1, 2, and 3, essential ophthalmic measurements used to assess eyelid and eye motility. Discover their clinical significance and …