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Fascia of the orbit
Last reviewed: 23.04.2024
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Glaznitsa, in the cavity of which is the eyeball, is lined with the periosteum of the orbit (periorbita), fused in the visual channel and the upper glandular fissure with a hard shell of the brain. The eyeball is surrounded by its shell - vagina (vagina bulbi), or a tenon capsule loosely connected to the sclera. The gap between the eyeball and its vagina was called epiclerial (tenon) space (spatium episclerale). On the back surface of the eyeball, the vagina is fused to the outer vagina of the optic nerve, in front approaches the arch of the conjunctiva. The vagina of the eyeball is penetrated by the vessels and nerves, as well as the tendons of the oculomotor muscles, whose own fascia are fused with this vagina.
Between the vagina of the eyeball and the periosteum of the orbit, around the oculomotor muscles and optic nerve, there is a fatty tissue pierced with connective tissue bridges - corpus adiposum orbitae, which acts as an elastic cushion for the eyeball. In front, the eye socket with its contents is partially closed by the orbital septum (septum orbitale), originating on the periosteum of the upper and lower edges of the orbit and attached to the cartilages of the upper and lower eyelids, and in the region of the inner corner of the eye connecting with the medial ligament of the eyelid. The glaucous pereborodka has holes for the passage of vessels and nerves through it.
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