eye AE marcus gunn syndrome AE 马库斯·甘恩综合症 This is an AE which mostly occurs in congenital ptosis patients, is characterized by jaw movement evoking ptotic eyelid retraction, followed by collapse. Inverted, bilateral and acquired MGS were also reported. https://pubmed.ncbi.nlm.nih.gov/33254517/ QY, JX, HY 10064583