The American encyclopedia and dictionary of ophthalmology Edited by Casey A Wood, assisted by a large staff of collaborators . a. Long posterior ciliary artery. b. A^ena vorticosa. c. Short posterior ciliary arteries. d. Conjunctival artery. e. Conjunctival vein. Blood Vessels of Eyeball. f. Anterior ciliary artery. g. Anterior ciliary vein. h. Central artery of retina,i. Central vein of retina,s. Canal of Schlemm. The orbital fascia lines both the optic foramen and the sphenoidalfissure, and gives off coverings to all the important nerves and ves-sels that pass through them. It is prolonged f
The American encyclopedia and dictionary of ophthalmology Edited by Casey A Wood, assisted by a large staff of collaborators . a. Long posterior ciliary artery. b. A^ena vorticosa. c. Short posterior ciliary arteries. d. Conjunctival artery. e. Conjunctival vein. Blood Vessels of Eyeball. f. Anterior ciliary artery. g. Anterior ciliary vein. h. Central artery of retina,i. Central vein of retina,s. Canal of Schlemm. The orbital fascia lines both the optic foramen and the sphenoidalfissure, and gives off coverings to all the important nerves and ves-sels that pass through them. It is prolonged forward as a covering 406 ANATOMY (GROSS) OF THE HUMAN EYE of the extra-ocular muscles, and also forms the thin, tough periosteumof the orbit. As this latter structure, it continues forward to nearthe margin of the orbit, where it divides into two layers—one is con-tinuous with the periosteum of the orbital margin, the other joinsthe fascia of the lids connected with the tarsal cartilages, and formsthe fascia tarso-orbitalis, or orbital septum. When the lids areclosed, a temporary anterior wall of the orbit is Arteries of Eight Orbit from Above. a, Supraorbital artery; b, Anterior meningeal artery; c, Frontalis artery; d,Superior oblique muscle; e, Anterior ethmoidal artery; f, Posterior ethmoidalartery; g. Posterior ciliary arteries; h, Muscular ramus; i, Optic nerve; j, Oph-thalmic artery; k, Optic chiasm; 1, Internal carotid artery; m, Anterior elinoidprocess; n, Lachrymal artery. The fascia also forms the capsule of Tenon, a thin, translucent,fibrous membrane, which covers the posterior two-thirds of the globefrom the tendinous insertion of the straight muscles which passthrough it, to the optic nerve, with the external sheath of which it isidentical. A second layer separates the eyeball from the bed of fatupon which it rests. The two layers form a closed sac (Tenonsspace), lined, in part, by flat, endothelial cells. This sac is thoughtby some to constitute a tru
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectophthalmology, bookye
