Buffy Summers appears in a movie.
Enophthalmos is the posterior displacement of the eyeball within the orbit due to changes in the volume of the orbit -LRB- bone -RRB- relative to its contents -LRB- the eyeball and orbital fat -RRB- , or loss of function of the orbitalis muscle .. It should not be confused with its opposite , exophthalmos , which is the anterior displacement of the eye .. eye. human eye. exophthalmos. exophthalmos. It may be a congenital anomaly , or be acquired as a result of trauma -LRB- such as in a blowout fracture of the orbit -RRB- , Horner 's syndrome -LRB- apparent enophthalmos due to ptosis -RRB- , Marfan Syndrome , Duane 's Syndrome , silent sinus syndrome , or phthisis bulbi .. congenital. congenital. trauma. Physical trauma. ptosis. Ptosis ( eyelid ). Marfan Syndrome. Marfan Syndrome. phthisis bulbi. phthisis bulbi