J Biomed Mater Res A
December 2008
The human vitreous is a gelatinous substance predominantly composed of water (97-99%). Vitreous substitutes are needed for treatment of retinal detachments by reapproximating the retina to the back of the eye, or during vitrectomies for maintenance of ocular volume. None of the current substitutes can be used long-term due to their short retention time, toxicity, or complications such as glaucoma or cataracts.
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