A lecture of the anatomy, physiology, & pathology of the eye : which was delivered to the members of the City of London Medical and Chirurgical Society / by Thomas Firth.
- Firth, Thomas
- Date:
- MDCCCXXXI [1831]
Licence: Public Domain Mark
Credit: A lecture of the anatomy, physiology, & pathology of the eye : which was delivered to the members of the City of London Medical and Chirurgical Society / by Thomas Firth. Source: Wellcome Collection.
Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)
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![as a ligament to connect the eye to the edge of the focket, and, being of a texture ad- mitting fome extenfion, it allows, notwith- ftanding this connection, of a free movement [ of the eye in different directions without pain or inconvenience. Alfo by the adhefion of this membrane all round to the edge of the focket, any foulnefs collected on the eye, or any ir- ritating fubftance accidentally lodging upon ity are prevented from palling to the back part of the globe an accident which might pro* duce extreme pain, and could not without great difficulty be relieved. This membrane likewife gives a fmoothnefs to the parts which' it covers, and thereby makes the friction left confiderable between the eye and the eye-lids Previous to the defcription of the other coa of the eye, it may be neceflary to give fonii account of the optic nerves. OF THE OPTIC NERVES,] THE optic nerves are two thick, round, and whitifh bodies or chords, which! arife pretty near each other, from two con- fiderable eminences in the brain, termed thalami](https://iiif.wellcomecollection.org/image/b21633873_0084.jp2/full/800%2C/0/default.jpg)


