Severity of ptosis in different aetiological groups
| No of patients with mild ptosis (n=44) | No of patients with moderate ptosis (n=191) | No of patients with severe ptosis (n=102) | |
|---|---|---|---|
| Myogenic (n=267) | 31 | 156 | 80 |
| Aponeurotic (n=16) | 6 | 8 | 2 |
| Neurogenic (n=36) | 5 | 18 | 13 |
| Mechanical (n=6) | 0 | 3 | 3 |
| Apparent (n=2) | 1 | 1 | 0 |
| Syndrome related (n=10) | 1 | 5 | 4 |