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Grading System for Meibomian Gland Secretions Based on the Presence of Nonmelting, Nonbirefringent, Nonlipid Inclusions
|
Meibum Quality |
Meibum Grade |
| Samples with virtually no dark spots/areas | Grade 0 |
| Samples with a negligible presence of dark spots/areas | Grade 1 |
| Samples with a noticeable presence of dark spots/areas | Grade 2 |
| Samples with a large presence of dark spots/areas | Grade 3 |
| Samples predominantly dark, with a small amount of melting material | Grade 4 |
