Wilfried Hiebl

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PURPOSE Heavy silicone oils are currently under investigation as a permanent tamponade in eyes with inferior PVR. This study was an investigation of Densiron 68 (Fluoron GmbH, Neu-Ulm, Germany) and several new heavy silicone oil admixtures on the basis of the perfluoroalkanes F4H5 (perfluorobutylpentane), F4H6 (perfluorobutylhexane), and F4H8(More)
The azo dye trypan blue and the cyanine dye indocyanine green have been used in ophthalmology since the 1980 s to dye the anterior capsule in cataract operations and to stain epiretinal membranes in order to remove the membrana limitans interna (ILM). By means of a standardized in vitro test in accordance with DIN EN ISO 10993, it has now been shown that(More)
In order to investigate whether gravity is the reason for retinal degeneration in long-term vitreous tamponade, perfluorohexyloctane (F6H8), perfluorodecalin (PFD), and a mixture of F6H8/PFD were compared. Each group of 5 rabbits received a 3-month tamponade with either PFD (pure) (1.93 g/cm3), F6H8 (pure) (1.33 g/cm3), or a 1:1 mixture of F6H8/PFD (1.62(More)
AIM The aim of the study was to compare the efficacy of perfluorobutylpentane (F4H5) and perfluorohexyloctane (F6H8) in dissolving silicone oil from the surface of silicone intraocular lenses (IOL). METHODS Droplets of stained silicone oil were applied to an object slide either lying flat or tilted by 30 degrees . Mixing with H(2)O, F4H5 or F6H8 was(More)
To develop an expanding gas tamponade allowing a controlled and complete filling of the vitreous cavity in the non-vitrectomized eye. Twenty-two different liquid fluorocarbon mixtures with a high vapour pressure were tested in an in vitro eye model and in rabbit eyes. The intraocular pressure (IOP), the anterior segment of the eye, the vitreous and the(More)
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