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  Indian J Med Microbiol
 

Figure 7: Evolution of physiological posterior vitreous detachment (PVD). Stage 0 is a posterior precortical vitreous pocket with no detached cortex. Stage 1 is focal PVD around the macula. Stage 2 is perifoveal PVD. Stage 3a is macular PVD with intact posterior precortical vitreous pocket (PPVP). Stage 3b is macular PVD with a break in the posterior wall of the PPVP.

Figure 7: Evolution of physiological posterior vitreous detachment (PVD). Stage 0 is a posterior precortical vitreous pocket with no detached cortex. Stage 1 is focal PVD around the macula. Stage 2 is perifoveal PVD. Stage 3a is macular PVD with intact posterior precortical vitreous pocket (PPVP). Stage 3b is macular PVD with a break in the posterior wall of the PPVP.