Download e-book for kindle: Biomicroscopy of the Peripheral Fundus: An Atlas and by Georg Eisner

By Georg Eisner

ISBN-10: 3642858031

ISBN-13: 9783642858031

ISBN-10: 3642858058

ISBN-13: 9783642858055

It supplies me specific excitement to jot down the foreword to this publication; this can be mostly considering i've got committed a considerable a part of my lifestyles to the enhance­ ment of the equipment utilized in ophthalmic examine. hardly ever has certainly one of my scholars taken the potential for dealing systematically with the probabilities of those tools. Dr. Eisner is, besides the fact that, this sort of exceptions. First, he has considerably enhanced the indentation touch glass; secondly, he has, with untiring enthusiasm, made a scientific choice of the conventional 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. due to a lucky situation, W. Hess, who's either a superb draughts guy and a grasp of the distinctive exam method, was once capable of reproduce the visible phenomena faithfully. The reader who attempts to interpret those illustrations spatially will observe that this was once frequently tough. it's a technique which calls for a definite attempt of imagi­ state 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 grants additional attention-grabbing points for the longer term. I want him well-earned success.

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Extra info for Biomicroscopy of the Peripheral Fundus: An Atlas and Textbook

Sample text

There is, on the other hand, a pseudophenomenon that may be described as "white with pressure", but which is visible even without indentation. It is characterized by sharply defined zones of the peripheral fundus reflecting more strongly than usual. For no known reason, a sharply delineated area may gleam brightly, according to the incidence of light; only in this respect is this "pseudo-white with pressure" phenomenon influenced, but not caused, by indentation. The reflecting I~er is extremely difficult to localize exactly.

It is agreed by most authors that it is unrelated to the length of the eyeball, to refraction, or to any eye diseases. There seems to be no relation to the local vascular condition. Daicker [32] presumes that paving-stone lesions result from the progredient disintegration of the peripheral pigment epithelium in old age. Characteristically, only the most external retinal layers are affected by senile chorioatrophy. The inner layers are not involved and are either quite normal or show a typical cystoid degeneration above the chorioatrophical foci.

The strands resemble pillars connecting the outer with the inner cavity wall. They are spaced at almost regular intervals so that the configuration resembles a colonnade. The pillars broaden when inserting at the interior cavity wall; between them, this wall is thin and almost transparent. Thus a regular pattern of tissue opacifications and attenuations is produced, which may, at a superficial observation, give the impression of cysts closely juxtaposed (Fig. 49). However, when seen in optical section, the interior wall of the cavity is not, as in regular "cysts", curved towards the vitreous space, but forms a straight line (Fig.

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Biomicroscopy of the Peripheral Fundus: An Atlas and Textbook by Georg Eisner

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