Table 2: Clinical results of SLT
| Study | Population | Treatment | Baseline IOP | Follow-up | IOP reduction | Definition of success | Response rate | Comments | |||||||||
| Latina et al41 | 53 eyes with OAG on MTMT with ALT; 44 eyes 26 weeks follow-up was done | SLT nasal 180° | 24.6 | 26 weeks | 4.6 mm Hg (18.7%) | IOP reduction >3 mm Hg | 73% | ||||||||||
| Lanzetta et al42 | 8 eyes of 6 patients with POAG on MTMT some with previous ALT |
360°SLT | 26.6 | 6 weeks | 10.6 ± 5.5 mm Hg (40%) |
NA | NA | NA | |||||||||
| Kajiya et al47 | 17 eyes of 10 patients with POAG 1 eye with XFG | 180°SLT | 22.8 | 6 months | 6.7 mm Hg | NA | NA | ||||||||||
| Chen et al43 | 2 groups of 32 patients with or OAG some with previous ALT | 180° | 26.06 ± 1.73 mm Hg | 7 months | 6.16 mm Hg | IOP controlled without retreatment or trabeculec-tomy | 59% | IOP reduction positively correlated with trabecular meshwork pigmentation | |||||||||
| Johnson et al44 | 132 eyes (95 patients) with OAG | 360°SLT | 20.9 | 3 months | 3.74-4.58 mm Hg (12.4%) |
IOP reduction $ 30% |
24% | ||||||||||
| Cvenkel45 | 44 eyes of 31 patients with medically controlled OAG |
SLT inferior 180° |
25.57 (range 22-34) |
12 months (40 eyes) | 4.8 mm Hg (18.6%) at 6 months 4.4 mm Hg (17.1%) at 12 months |
IOP reduction $ 3 mm Hg |
66% at 3 months |
||||||||||
| Gracner46 | 50 eyes with OAG |
180° SLT | 22.48 | 6 months | 5.06 ± 2.37 mm Hg | IOP reduction >3 mm Hg 60% |
88% | ||||||||||
| Hodge et al48 | 72 patients with OAG on MTMT | 180°SLT 23.8 ± 4.88 |
12 months | 5.8 mm Hg | IOP reduction of >20% after 1 year | IOP reduction significantly related to baseline IOP | |||||||||||
| Melamed et al44 | 45 eyes of 31 patients with OAG or OHTN 37 newly diagnosed |
Nasal180° SLT |
25.5 ± SLT | Range of 3-24 | 7.7 ± 3.5 at last follow-up | IOP reduction >20% |
96% |