. Transactions . hout adhesion. It is wellseen that it is not the extreme periphery of the iris { thinnest part) which becomes first applied to theli^^amentum pectinatum, but a part somewhat in front ofthis, where the iris becomes suddenly somewhat thus happens that at these points the true angle of theanterioi* chamber is not obliterated, l)iit is shut oiT in iiioi-ward direction from the rest ot llie chanibcr by llicadlicsion of the ligaiiiciit iiiii jxcl iii;il iiiii lo i]\r iliick j);iilof the iris above nieiilioned. Tlic ligament inn peel iii;it inn Ill OF il
. Transactions . hout adhesion. It is wellseen that it is not the extreme periphery of the iris { thinnest part) which becomes first applied to theli^^amentum pectinatum, but a part somewhat in front ofthis, where the iris becomes suddenly somewhat thus happens that at these points the true angle of theanterioi* chamber is not obliterated, l)iit is shut oiT in iiioi-ward direction from the rest ot llie chanibcr by llicadlicsion of the ligaiiiciit iiiii jxcl iii;il iiiii lo i]\r iliick j);iilof the iris above nieiilioned. Tlic ligament inn peel iii;it inn Ill OF illK rKNTiiAI, VKIN. pivsurvLs its loose tcxtiiii*, jiikI tlio caiuil of Scliltiniu isiiorniJil. i^llidnj hodi/, choroid, sclera.—Tlu) ciliary Ijody isiioiinal. Tlic choroid is iiormiil except for ii few smalloutgrovvtlis of tlic laiiiina vitrea. The e])iscleral vesselsare somewhat engorged, but otherwise the sclerals normal. Retinal a)id CHiitral vesstds.—These are described together Fia. 46. *v ^?iMf-^. A retinal vessel showing prolifenition of endothelium. Thelumen has become very <.jreatly and eccentrically is no thickenin<j of the connective-tissue wall. for convenience, and l)()th in the case of the arteries andof the veins are followed backwards from the retina. Theretinal vesselti show marked changes of two kinds : (1) aproliferation of the endothelium, causing marked, andusually eccentric, narrowing of the lumen (Fig. 46). Theendothelial cells are well preserved, and do not show thevacuolation sometimes found where they ai-e is usually a fairly definite and more flattened layertowards the lumen, which generally contains blood. (2) 166 DISEASES OF THE RETINA AND CHOROID. A thickening of the connective and muscular tissues ofthe wall in the form of concentric layers of tissue, witlirather scanty oval and elongated nuclei between some instances this thickening is very great, so asalmost, or, in the case of some of the
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Keywords: ., bookcentury1800, bookdecade1880, bookpu, booksubjectophthalmology
