Table 6.
Features of Meibomian Keratoconjunctivitis72
| Anterior blepharitis | Ocular surface damage |
| Crusting (61%) | SPK (100%) |
| Scales | Rose bengal staining (100%) |
| Lash loss (58%) | |
| Lid margin irregularity (46%) | |
| Posterior blepharitis | Ocular inflammation |
| Oil stagnation (100%) | Bulbar injection (100%) |
| Orifice abnormalities (23–53%) | Tarsal papillary change (100%) |
| Meibomian foam (62%) | |
| Reduced tear secretion | General signs |
| Schirmer test <10 mm (35%) | Concretions |
| An excess of tear debris | |
| Tear film instability | Clinical associations |
| Reduced BUT (100%) | Seborrhea sicca; seborrheic dermatitis with or without atopy; acne rosacea |
SPK, superficial punctate keratitis; BUT, break-up time.