What is Marcus Gunn syndrome, in which the eyelid moves with the jaw: Understanding risks and inheritance
Marcus Gunn Syndrome, or Marcus Gunn jaw winking ptosis, is a rare congenital disorder that presents as a droopy eyelid invariably lifting or winking to the rhythm of jaw movements. It was first discovered by British eye specialist Robert Marcus Gunn in 1883 and is observed to occur in 5 percent of children born with…