Acta ophthalmologica PDF Download
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Category :
Languages : en
Pages : 906
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Book Description
Author:
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ISBN:
Category :
Languages : en
Pages : 906
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Book Description
Author: Helga Sørenson Frandsen (Fru)
Publisher:
ISBN:
Category : Ophthalmology
Languages : de
Pages : 460
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Book Description
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1442
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Book Description
First multi-year cumulation covers six years: 1965-70.
Author:
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ISBN:
Category : Medical libraries
Languages : en
Pages : 32
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Author: Harold E. Henkes
Publisher: Springer Science & Business Media
ISBN: 9400906412
Category : Medical
Languages : en
Pages : 151
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Book Description
When the eyeball is indented in total darkness, within less than 200 mil liseconds an oval or quarter-moon shaped spot of light is perceived in the part of the visual field corresponding to the indented region of the retina. In the seconds following, this phosphene extends across the whole visual field and alters in structure during further eyeball indentation. It is then seen as irregular large bright spots of light, finely structured moving light grains ('light nebula') and stationary bright stars. Regular geometrical patterns appear only when both eyes are indented simultaneously [1]. When the eyeball deformation is released, part of the retina again lights up for another one or two seconds and curved light lines are seen following the course of the larger retinal vessels (Fig. 1). In the following we will review the history of this phenomenon, which played an important role during the first 2200 years of vision theories and in the development of models to explain normal vision. 2. Pre-Socratic philosophers, Plato and Aristotle Alcmaeon of Croton (6-5th century B. C. ), who was a member of the Pythagoraean sect and one of the founders of Greek medicine, was the first to describe mechanical deformation of the eyeball leading to light sensa tions. According to Aristotle's pupil Theophrast of Eresos, Alcmaeon report ed that 'the eye obviously has fire within,for when the eye is struckfireflashes out' [2, p. 88].
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1028
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Author:
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ISBN:
Category : Medicine
Languages : en
Pages : 712
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Book Description
Includes section, "Recent book acquisitions" (varies: Recent United States publications) formerly published separately by the U.S. Army Medical Library.
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Category : Nuclear energy
Languages : en
Pages : 1122
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Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Abbreviations
Languages : en
Pages : 244
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Book Description
Issues for 1977-1979 include also Special List journals being indexed in cooperation with other institutions. Citations from these journals appear in other MEDLARS bibliographies and in MEDLING, but not in Index medicus.
Author: Farhan Zaidi
Publisher: BoD – Books on Demand
ISBN: 9535109758
Category : Medical
Languages : en
Pages : 448
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Book Description
Cataract is the leading cause of blindness in the world and cataract surgery is the most commonly performed operation worldwide. The international authorship of this book permits discussion of both the generality of the field and the details of a number of important topics that more recent research shows are important to understanding developments in the field of cataract surgery. These topics are discussed under the following areas: Pre-operative Care; Operative Surgery and the History of Cataract Surgery; Complications; and Cataract Surgery in Special Situations. The combination of topics makes this an informative, original, and lasting source of knowledge on cataract surgery. Further the chapters on the history of cataract surgery and major advances in the area are, in particular, of importance not only to surgeons and researchers but to physicians more widely as well as the general reader.
