Transactions . tralis ; the choroidon which they lie looks perfect. Not far beyond the region enclosed by the macularvessels, however, the white dots thin off and the choroidbegins to show changes, its large vessels becoming visibleand its surface looking granular. Further towards theperiphery the choroid is even paler, and a little granularpigmentation is apparent. Nowhere, however, is thereanything like retinitis pigmentosa. slightly hazy,but vessels n. The granular choroidal changes seem to be partly theresult of the confluence of the minute separate dots, butin some places there is a
Transactions . tralis ; the choroidon which they lie looks perfect. Not far beyond the region enclosed by the macularvessels, however, the white dots thin off and the choroidbegins to show changes, its large vessels becoming visibleand its surface looking granular. Further towards theperiphery the choroid is even paler, and a little granularpigmentation is apparent. Nowhere, however, is thereanything like retinitis pigmentosa. slightly hazy,but vessels n. The granular choroidal changes seem to be partly theresult of the confluence of the minute separate dots, butin some places there is a narrow zone of perfectly healthyfundus between the dotted and the granular regions. The fields of vision were carefully taken by Mr. H. in daylight, in good gaslight, and in very dimgaslight, respectively, a 5 mm. square being used as atest in all the observations. The appended charts indicate that the fields, whichshowed considerable concentric contraction even by day- STATIONARY NIGHT-BLINDNESS. 165.
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Keywords: ., bookcentury1800, bookdecade1880, bookpu, booksubjectophthalmology
