Superficial phototherapeutic keratectomy treatment group
| Patient | Age (years) | Sex | Indication (cause of BK) | Depth of ablation (μm) | Diameter of ablation (mm) | Follow up (months) | Outcome | Complications /further procedure |
| 1 | 48 | F | Penetrating injury Painful pseudophakia | 25 | 9.0 | 1 | Persistent pain | Recurrent bullae PK at 1 month |
| 2 | 81 | M | Painful pseudophakia | 25 | 9.0 | 6 | Symptomatic relief | nil |
| 3 | 83 | F | Painful pseudophakia | 25 | 9.0 | 11 | Symptomatic relief | nil |
| 4 | 86 | F | Painful aphakia | 8 | 9.0 | 13 | Symptomatic relief | nil |
| 5 | 80 | M | Painful pseudophakia | 25 | 7.5 | 3 | Persistent pain | PK at 3 months |
| 6 | 42 | M | Painful pseudophakia | 25 | 7.5 | 5 | Persistent pain | PK at 5 months |
| 7 | 86 | F | Painful pseudophakia | 25 | 9.0 | 12 | Symptomatic relief | nil |
| 8 | 79 | F | Painful pseudophakia | 25 | 9.0 | 11 | Symptomatic relief | nil |
BK = bullous keratopathy, PK = penetrating keratoplasty,
↵time at initiation of further (different) treatment.