ILLUSTRATIONS 



PAGE 

 Brain showing eyes with muscles removed, optic 



nerves, and chiasm Frontispiece 



Glassware and tools 22 



The first cut 28 



How the point of the scissors is kept away from the under- 

 lying tissues 29 



Half of the sclerotic separated 30 



Picking up the choroid 31 



Emptying the eye of its contents 32 



Isolated hyaloid, contents and attachments intact . . . . 33 



Petit 's Canal 36 



Cutting eye into anterior and posterior sections with 



safety-razor blade 39 



Posterior half showing retinal vessels and choroid . . . . 40 



Showing network of vitreous 42 



Tearing retina away from posterior half of eye . . . . 44 



Posterior half of eye with retina removed 45 



Excavated posterior half of eye 46 



Split optic nerve 47 



Ciliary processes and the lens 48 



How to pull off vitreous 50 



Processus Zonuloe 54 



Onion-like layers of lens removed . . 56 



Cross section of lens 57 



Lenses showing the results of different kinds of treatment 60 



Puncturing the cornea 63 



Removing the cornea 64 



How to separate the choroid from the sclerotic 65 



Cutting away the separated sclerotic 67 



Scraping the choroid free from the sclerotic 68 



The isolated choroid 69 



Inserting scalpel to loosen lens and cut through vitreous 70 



Ta.king out lens and "core" of vitreous 71 



Squeezing out remaining part of vitreous 72 



Cutting through the iris 75 



Cutting around the ciliary ring 76 



11 



