Analysis of each re-treatment case
| Primary PTK | Repeat PTK | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Patient | Age (years) | Sex | Trauma | Date PTK | Ablation profile | Symptom free period (weeks) | Date PTK re-treatment | Ablation profile | Follow up (months) | Symptoms |
| V = Visx, S = Summit, N = Nidek EC 5000. Ablations were circular in shape or circular supplemented by the “string of pearls” ablation configuration. | ||||||||||
| *Where a “string of pearls” configuration was used the number of ablations (“pearls”), diameter, and depth of each ablation is given. Ablation diameter is given in mm and depth of ablation in μm. | ||||||||||
| 1 | 49 | F | Yes | 2/11/95 (V) | 6.5 mm, 7.5 μm, | 4 | 20/3/96 (V) | 6.5 mm, 7.5 μm | 60 | Nil |
| 2 | 51 | F | Yes | 18/4/96 (S) | 6 mm, 7.5 μm + *3 × (2 mm, 7.5 μm) | 32 | 18/6/98 (N) | 9 mm, 8 μm + 4 mm, 8 μm eccentric | 34 | Nil |
| 3 | 42 | F | Yes | 21/5/98 (N) | 9 mm, 8 μm | 20 | 14/5/99 (N) | 9 mm, 8 μm + *8 × (2 mm, 8 μm) | 23 | Nil |
| 4 | 58 | M | No | 3/6/98 (N) | 9 mm, 8 μm | 4 | 4/8/98 (N) | 9 mm, 8 μm | 32 | Nil |
| 5 | 79 | F | No | 19/10/98 (N) | 9 mm, 8 μm | 10 | 11/5/00 (N) | 7.5 mm, 10 μm | 10 | Nil |
| 6 | 57 | F | No | 12/4/99 (N) | 9 mm, 8 μm | 8 | 13/10/99 (N) | 9 mm, 8 μm | 18 | Foreign body sensation |
| 7 | 38 | M | Yes | 5/8/99 (N) | 9 mm, 8 μm | 9 | 12/10/99 (N) | 7.5 mm, 8 μm + *6 × (3 mm, 10 μm) | 18 | Nil |
| 8 | 57 | F | No | 17/2/00 (N) | 7.5 mm, 8 μm | 3 | 6/7/00 (N) | 9 mm, 8 μm | 9 | Foreign body sensation |