[TA] the part of the orbital fascia that envelops the extraocular muscles; it is thin posteriorly but thickens where it is continuous with the bulbar sheath; the fascial sheaths of the four rectus muscles are connected by an intermuscular membrane. SYN: fascia muscularis musculorum bulbi [TA], fascia of extraocular muscles, fascial sheaths of extraocular muscles.
