Biomicroscopic Evaluation and Photography of Liquefied Vitreous in Some Vitreoretinal Disorders

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Abstract
• The vitreous condition in retinitis pigmentosa, high myopia, peripheral uveitis, and Wagner's disease and in normal eyes was evaluated biomicroscopically and documented photographically using a preset lens (El Bayadi-Kajiura) in 205 eyes. Compared with the control group, the incidence of partial or complete vitreous detachment was significantly higher in all four clinical entities and partial vitreous detachment was more frequently found in Wagner's disease, high myopia, and peripheral uveitis, but not in retinitis pigmentosa. A higher incidence of cottonball-like opacities and/or spindle-shaped condensations in the posterior vitreous near the retina was found in retinitis pigmentosa and high myopia than in peripheral uveitis or Wagner's disease. This finding suggests that the vitreous changes seen in retinitis pigmentosa and high myopia are secondary to chorioretinal degeneration.

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