By Georg Eisner
It offers me specific excitement to jot down the foreword to this e-book; this can be principally considering i've got committed a considerable a part of my lifestyles to the enhance ment of the equipment utilized in ophthalmic study. not often has one in all my scholars taken the potential for dealing systematically with the probabilities of those tools. Dr. Eisner is, notwithstanding, this kind of exceptions. First, he has considerably superior the indentation touch glass; secondly, he has, with untiring enthusiasm, made a scientific choice of the traditional and pathologic findings, which, with the aid of the indentation touch glass and the slit lamp, will be saw within the outermost outer edge of the fundus and the ciliary physique. He has in comparison them to findings bought with mild magnification in post-mortem eyes and to histological sections. as a result of a lucky situation, W. Hess, who's either a great draughts guy and a grasp of the targeted exam strategy, used to be capable of reproduce the visible phenomena faithfully. The reader who attempts to interpret those illustrations spatially will realize that this was once usually challenging. it's a strategy which calls for a definite attempt of imagi country of house, yet that is very worthwhile. Dr. Eisner's monograph is an advent to a little-known department of biomicroscopy which broadens our technique of prognosis and grants extra fascinating 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
The posterior hyaloid membrane was rigid, appearing like a cuticular membrane. In each case retinal detachment was produced by giant, rapidly expanding retinal dialyses. The absence of cysts is obviously, in certain cases, an indication of an abnormal retinal condition. On the other hand, broad belts of real "cysts", though extremely rare, are probably also pathological (Fig. 41). In a case where the cyst belt was present in only one eye, a large retinal defect was found, which-for lack of any other known cause-was suspected to be of degenerative nature (Fig.
Posteriorly a sharp boundary is not detectable, and the fine cystoid areas appear to merge gradually into the intact retina. However, with biomicroscopic light incidence a sharp delimitation, though present, can easily be overlooked, and indentation, which would perhaps make it visible, is difficult so far posteriorly. Occurrence. Cystoid degeneration has been observed in nearly all eyes both histologically and biomicroscopically [32,45, 145, 170]. Marginal cysts have been found even in earliest childhood.
Morphologically, reticular cystoid degeneration resembles the previously described fine cystoid spaces. It differs from external cystoid degeneration in that no particular meridian is preferred, it is sharply delineated lry branching vessels, and the normal pattern of the overlYing vessels is preserved (Fig. 44). Reticular cystoid degeneration has been observed by Foos and Feman in 17% of 200 autopsies. In the living rye, however, reticular cystoid degeneration is seldom detected. The fine pattern of the pillars may be seen only with a small angle of acceptance, i.