منابع مشابه
The acute vitreous haemorrhage.
One hundred cases of acute vitreous haemorrhage have been analysed prospectively. It was possible to identify the cause of the haemorrhage at presentation in 79% of the cases. 40% were due to retinal tears and only 6% were associated with diabetic retinopathy.
متن کاملA Novel Artificial Vitreous Substitute – Foldable Capsular Vitreous Body
The natural vitreous is a transparent, gelatinoid structure occupying four-fifths of the volume of the eye. It has a thin, membrane-like structure corresponding to the vitreous cortex that extends from the ora serrata to the posterior pole.1 It is somewhat spherical but slightly flattened meridionally, and it has a cup-shaped depression in its anterior side. It consists of about 99% water by we...
متن کاملVitreous Substitutes: The Present and the Future
Vitreoretinal surgery has advanced in numerous directions during recent years. The removal of the vitreous body is one of the main characteristics of this surgical procedure. Several molecules have been tested in the past to fill the vitreous cavity and to mimic its functions. We here review the currently available vitreous substitutes, focusing on their molecular properties and functions, toge...
متن کاملThe Vitreous Model - a new in vitro test method simulating the vitreous body.
The vitreous body has become an interesting location for the administration of injections or implants in modern ophthalmology. Such intravitreal dosage forms are loaded with active agents which are released over a prolonged period of time. A test method simulating the in vivo situation is needed to observe the release behaviour of these new dosage forms and the distribution of drug substances i...
متن کاملThe Polysaccharide of the Vitreous Humor
Since the work of Miirner (1) the existence of a mucoid in the vitreous humor has seemed well established. All subsequent workers used his method of preparation: the precipitation of the diluted native vitreous humor with dilute acetic acid. In his recent book on the nature of the vitreous body (2), Duke-Elder gives its concentration as 0.021 per cent, or about 30 per cent of the total protein ...
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ژورنال
عنوان ژورنال: Eye
سال: 1992
ISSN: 0950-222X,1476-5454
DOI: 10.1038/eye.1992.118