TY  - GEN
AU  - Putterman,Allen M
TI  - Margin reflex distance (MRD) 1, 2, and 3
SN  - 1537-2677
PY  - 2012///1003
KW  - Blepharoptosis
KW  - classification
KW  - Blinking
KW  - Eyelids
KW  - pathology
KW  - Humans
N1  - Publication Type: Letter; Research Support, Non-U.S. Gov't
UR  - https://doi.org/10.1097/IOP.0b013e3182523b7f
ER  -