Changes in visual acuity 3 and 6 months after diode or argon laser photocoagulation of focal or diffuse macular oedema
| Focal laser photocoagulation | Diode laser (n = 6) | Argon laser (n = 5) |
|---|---|---|
| 3 months | +2.8 (−5 to +19) | +4.6 (0 to +13) |
| 6 months | +3.5 (−7 to +23) | +3.5 (−3 to +8)* |
| Diffuse laser photocoagulation | Diode laser (n = 6) | Argon laser (n = 6) |
|---|---|---|
| *n − 1. All p values are >0.05. | ||
| Mean number of ETDRS logMAR letters (range in parentheses) lost (−) or gained (+) compared to baseline. | ||
| 3 months | −0.8 (−7 to +5) | −1.7 (−8 to +10) |
| 6 months | −1.6 (−8 to +8) | +0.6 (−7 to +13)* |