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PVR Scoring System
| Scoring Point | PVR Classification from the Retina Society Terminology Committee (1983) |
|---|---|
| 1 | Grade A (minimal): Presence of vitreous opacity or pigment clumps |
| 1 | Grade B (moderate): Surface retinal wrinkling, rolled edges of the retina, retinal stiffness, and vessel tortuosity |
| 1-4 | Grade C (marked): Fixed retinal folds per quadrant |
| 5 | Grade D-1 and 2 (massive): Open funnel |
| 10 | Grade D-3 (massive): Closed funnel |
| 0–16 | Cumulative total score |
