Vitreous changes in peripheral uveitis.

The vitreous in 76 eyes with peripheral uveitis was examined and compared with the vitreous in 77 eyes of age- and sex-matched controls. The vitreous findings in peripheral uveitis were inflammatory and cotton ball-like opacities, gel shrinkage, and posterior vitreous detachment. The prevalence of partial and complete vitreous detachment was significantly higher in the peripheral uveitis group than in the control group. The prevalence of partial vitreous detachment was significantly higher in eyes with macular change than in eyes without macular change, whereas the prevalence of complete vitreous detachment was significantly higher in eyes without macular change than in eyes with macular change. We also found a significantly higher prevalence of complete vitreous detachment in eyes with visual acuity of 20/50 or better than in those with an acuity of 20/60 or worse. The prevalence of partial vitreous detachment was significantly higher in eyes with a visual acuity of 20/60 or worse than in those with an acuity of 20/50 or better.