Table 2. Clinical findings of corneal ulcer and perforation.
| Case number | Case 1 | Case 2 | Case 3 | Case 4 |
|---|---|---|---|---|
| Size of corneal ulcer (mm) |
2.0×1.5 |
2.0×2.5 |
2.0×1.5 |
3.5×1.5 |
| Position of corneal ulcer |
center |
paracenter |
paracenter |
paracenter |
| Size of corneal perforation (mm) |
0.5×0.5 |
0.5×1.0 |
0.5×0.5 |
2.0×1.0 |
| Position of corneal perforation |
center |
paracenter |
paracenter |
paracenter |
| Period from corneal ulcer to perforation (day) |
7 |
12 |
within 35 |
within 27 |
| Preoperative visual acuity |
20/100 |
LP (+) |
20/250 |
20/250 |
| Surgical intervention |
glue, DALK |
DALK |
MUCL |
DALK |
| Postoperative visual acuity |
20/200 |
20/250 |
20/50 |
20/500 |
| Observation periods (month) | 7 | 2 | 40 | 15 |
MUCL, medical use contact lens ; DALK, deep anterior lamellar keratoplasty.