MedGen

A rare syndrome characterised by the association of blepharophimosis and ptosis, V-esotropia, and weakness of extraocular and frontal muscles with syndactyly of the toes, short stature, prognathism, and hypertrophy and fusion of the eyebrows. [from ORDO]

Reduced strength of the frontalis muscle (which is located on the forehead). [from HPO]