By Georg Eisner
It supplies me specific excitement to put in writing the foreword to this ebook; this is often principally considering the fact that i've got dedicated a considerable a part of my lifestyles to the increase ment of the tools utilized in ophthalmic examine. not often has one in every of my scholars taken the possibility of dealing systematically with the chances of those tools. Dr. Eisner is, even if, this type of exceptions. First, he has considerably more desirable the indentation touch glass; secondly, he has, with untiring enthusiasm, made a scientific number of the traditional and pathologic findings, which, with the aid of the indentation touch glass and the slit lamp, might be saw within the outermost outer edge of the fundus and the ciliary physique. He has in comparison them to findings got with mild magnification in post-mortem eyes and to histological sections. due to a lucky situation, W. Hess, who's either a good draughts guy and a grasp of the exact exam method, was once in a position to reproduce the visible phenomena faithfully. The reader who attempts to interpret those illustrations spatially will observe that this used to be usually tough. it's a strategy which calls for a undeniable attempt of imagi country of house, yet that is very worthwhile. Dr. Eisner's monograph is an creation to a little-known department of biomicroscopy which broadens our technique of analysis and supplies extra attention-grabbing facets for the longer term. I want him well-earned success.
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Additional resources for Biomicroscopy of the Peripheral Fundus: An Atlas and Textbook
Vitreoretinal adhesions can transmit vitreal traction to the retina. Such changes are therefore clinically significant. - Changes on the external surface of the retina are connected with changes in the pigment epithelium. The retroretinal interstice is usually obliterated here. An adhesion to the pigment epithelium suggests increased clinical safety. 1. 1. Cystoid Degeneration Cystoid changes in the peripheral retina have been known for a long time. Following reports by Blessig and Iwanoff [118, 119], numerous authors have emphasized them in histological studies [66,216,218].
Somewhat more frequently than by other researchers [187,68] using different methods of observation. This is probably due to the fact that in our figures even the slightest changes have been included. In its earlY stages, when only a few pillars are lacking, a schisis forms merely a flat fissure in fine cystoid spaces. At this stage, diagnosis is difficult, since at first there seems to be only a slight thickening of the retina in a fine cystoid area (examination in silhouette). The residual fragments of the supporting pillars still remain, forming nodular excrescences towards the cavity on the inner layer.
Neighbouring cysts are separated at the striae ciliares by a deep sulcus (Fig. 58). The anatomical relation of the vitreous and of the zonule to the vesicular wall shows no abnormalities. The zonular fibres are inserted at the usual places on the anterior side of the macrocysts. The anterior hyaloid membrane extends over them at some distance, bridging the intervals between neighbouring cysts. Pathological adhesions or extensions of the vesicular wall, which might be a sign of traction, have not been observed biomicroscopically.
Biomicroscopy of the Peripheral Fundus: An Atlas and Textbook by Georg Eisner