Lagophthalmos Evaluation and Treatment - American Academy of
https://www.aao.org/eyenet/article/lagophthalmos-evaluation-treatment
WEBLagophthalmos is present when a space remains between the upper and lower eyelid margins in extreme downgaze. Document the degree of lagophthalmos by measuring this space, in millimeters, with a ruler. Also, record the blink rate as well as the completeness of the blink.
DA: 92 PA: 58 MOZ Rank: 100