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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Ultramicroscopy 19 (1986), S. 109 
    ISSN: 0304-3991
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Electrical Engineering, Measurement and Control Technology , Natural Sciences in General , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Ultramicroscopy 19 (1986), S. 109-110 
    ISSN: 0304-3991
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Electrical Engineering, Measurement and Control Technology , Natural Sciences in General , Physics
    Type of Medium: Electronic Resource
    Location Call Number Limitation Availability
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  • 3
    ISSN: 1573-2622
    Keywords: biodegradation ; mechanical damage ; surface roughness ; prolene ; perlon ; supramid ; titanium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Prolene, perlon, supramid and titanium, either used as sutures, ‘Strampelli’ sutures or artificial lens loops, were compared after remaining in the human eye for at least one year. For comparison, non-implanted samples of each of the materials were used as blanks. Prolene and Perlon in particular showed severe biodégradation after a given period; Supramid showed much less degradation of its surface. Titanium showed a rather rough outer surface (even in the non-implanted samples), particularly as bends in the lens loop, which facilitated the adherence of cells, fibres and microorganisms.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Documenta ophthalmologica 78 (1991), S. 335-340 
    ISSN: 1573-2622
    Keywords: Detachment surgery ; retinal fold
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a series of 137 consecutive conventional primary retinal detachment repairs we postoperatively found retinal folds through the macula in four cases (2.8%). All four patients had presented with an acute, bullous, superior detachment, and had been treated with an encircling band, drainage of subretinal fluid, injection of an air/gas mixture, cryocoagulation, and a radial buckle to close the largest retinal tear. Redundant retina (created by the encircling band and possibly by stretching in the bullous detachment) became folded either by compression by the gasbubble in the recumbent patient, or by a steam roller action of the bubble when the patient sat up. In acute bullous detachments, we try to avoid this complication by using an air/gas bubble which is not greater than necessary to tampon the retinal break, and by positioning the patient in such a way that residual subretinal fluid is pressed away from the posterior pole.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Documenta ophthalmologica 64 (1986), S. 129-142 
    ISSN: 1573-2622
    Keywords: Artificially aged cornea ; keratoconus cornea ; epithelial cell detachment ; endothelial cell wall degradation ; missing cell nucleus ; Kammerwasser Einbruch
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The substructure of both the epithelial and endothelial surfaces of a keratoconus and an artificially aged cornea was compared with that of a healthy cornea by investigating them with a scanning electron microscope. From the depressions around the protruding centre of the epithelial surface of the keratoconus cornea, and from the whole epithelial surface of the artificially aged cornea, cells detached themselves, assuming a more or less rounded shape. The endothelial surface of both the keratoconus and the aged cornea showed areas of cells with an almost completely disintegrated cell membrane, exposing the cell contents. On the endothelial surface of the keratoconus cells were found with a missing cell-nucleus and a perforated cell membrane, due to a ‘Kammerwasser Einbruch’ effect.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Documenta ophthalmologica 61 (1986), S. 359-366 
    ISSN: 1573-2622
    Keywords: keratoprosthesis ; cornea ; sealing capacity ; endothelial proliferation ; cell-polymer interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract By means of a new fixation technique keratoprostheses were fixed in the cornea of ‘Hollander’ rabbits. The fixation is based on the use of corneo-sclerally orientated stainless steel-vanadium traction threads in corneal stroma and scleral tissue. Keratoprostheses placed according to this fixation technique have a follow-up of a maximum of two years. The liquid sealing capacity, the cell behaviour on the surface of the prosthesis and the anchoring of the stainless steel vanadium wire have been investigated in detail with the scanning electronmicroscope (SEM).
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Documenta ophthalmologica 64 (1986), S. 117-127 
    ISSN: 1573-2622
    Keywords: vitreous body ; human ; rabbit ; cisterns ; canal of Cloquet ; bursa premacularis ; ink-injection ; stereo-lightmicroscopy ; SEM
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The naked human vitreous (sclera, iris and cornea removed) suspended in water does not reveal inner structures. After ink injection into the vitreous, the presence of different compartments and the existence of cisterns becomes evident. A concept of the internal system of cisterns is given on the basis of stereoscopic-lightmicroscopic images. An attempt is made to correlate images of the complete vitreous body, obtained with a stereo-lightmicroscope, with images of segments of cisternal walls produced with a scanning electron-microscope (SEM). A comparison is made between SEM-images of the vitreous bodies of human and rabbit eyes.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Documenta ophthalmologica 67 (1987), S. 119-128 
    ISSN: 1573-2622
    Keywords: HEMA contact lens ; Fungi ; SEM
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Three soft contact lenses of the HEMA type, discarded because of irritation of the cornea, were processed for and subsequently examined with the SEM, A large portion of the convex surface was covered with globular deposits of fungal spores. Cross-fractures of lenses showed penetration of the fungi into the matrix material of the lenses. The concave surface of the contact lenses showed at two points imprints of the epithelial cells of the cornea in the deposited material on that side of the lenses.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1573-2622
    Keywords: scanning electron microscopy ; endothelial cell growth ; implant cytology ; intra-ocular lens ; human
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In this study we have demonstrated the formation of an acellular and a cellular membrane on the surface of an explanted intra-ocular lens by scanning electron microscopy. The acellular membrane is considered to be the result of a physiological process, whereas the cellular membrane is looked upon as a pathological endothelial membrane formed as the result of intermittent touch between the implant and the endothelium.
    Type of Medium: Electronic Resource
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