A chirurgical treatise on the diseases of the eyes. Containing proper remedies, and describing the operations requisite for their cures ... Written in French / ... Translated into English by J. Stockton.

  • Charles Saint-Yves
Date:
1748
Catalogue details

Licence: Public Domain Mark

Credit: A chirurgical treatise on the diseases of the eyes. Containing proper remedies, and describing the operations requisite for their cures ... Written in French / ... Translated into English by J. Stockton. Source: Wellcome Collection.

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    the White of an Egg. The Vitreous Hu^ mour is alfo covered with a fine Mem- »• brane, adhering to xht Retina^ at the Place pf the GUar Grcky where feveral black Rays are feen all round the CriJialUney and are imp'operly called Gliar Fibres or Pro- cefies j for they are only fmall Cavities or Channels which receive the Gliar Expan-- fans already mentioned; and which re¬ tain the black Vejvet of thefe ExpeifanSy after they have been taken off by feparating the Chorpides, This Membrane feems to be divided in it’s Fore-part into two Blades^, ^one of which covers the Fore-part^ the other the Hind - part of tl]e CriJlallinCy arid keeps it fixed in the Vitreous Humour. The Cri/lalline is a Lenticular Body^ more convex behind than before, compo- led of feveral vafculous tranfparent Lay ranged one upon another^ fopiewhat like the different Pellicles of an Onion ; it lies in the Socket of the Vitreous Humour be¬ tween thq Blades of the Membrane of that Humour, It is placed in the Middle of the Fore-part of the Vitreous Humour^ qp^ pofite to the Hole of the Pupil at fomp Piftance from the 7m, which Space makes
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