Ophthalmic and otic memoranda / By D.B.St. John Roosa ... and Edward T. Ely.

  • Ely, Edward T. (Edward Talbot), 1850-1885
Date:
[1885]
Catalogue details

Licence: Public Domain Mark

Credit: Ophthalmic and otic memoranda / By D.B.St. John Roosa ... and Edward T. Ely. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

    40/326 (page 18)
    shows through wa\ls of vessels. Veins mostly pass back to plexus of ciliary processes and so into venae vorticosae ; some through veins of ciliary muscle into ant. ciliary. Nerves from 3d, 5th, and sympathetic through long and short ciliary; form fine plexus in stroma; sphincter supplied by 3d, dilatator by sympa- thetic ; sensitive fibres from 5th. Movements of iris reflex from action of light on retina, and accommodative in unison with ciliary muscle ; movements of the two irides consen- taneous. Intersection of iris, ciliary bodv, cornea, and sclera, is called the iritic angle. Retina. [Lat. rete, a net.] Inner tunic of eye lying between choroid and vitreous body from optic nerve to ora serrata. Delicate grayish color, quite trans- parent : about -rg in. thick at papilla, growing thinner toward ora serrata, where it is about 2-ott in. thick. Composed of nervous elements and modified connective tissue like neuroglia of brain. Layers from vitreous outward :— (1) Membrana limitans interna. (2) Optic nerve fibres. {3) Ganglion cells. (4) Internal molecular. (5) Internal granules. (6) External molecular or intergranular. (7) External granules. (8) Limitans externa.