Diode laser probably leads to higher pain during laser treatment compared with argon laser (moderate certainty).
It is very uncertain whether diode laser changes progression of PDR compared with argon laser (very low certainty).
It is very uncertain whether diode laser changes regression of PDR compared with argon laser (very low certainty).
The review found no eligible studies for this question.
It is very uncertain whether diode laser changes adverse events compared with argon laser (very low certainty).
It is very uncertain whether diode laser changes BCVA: loss of 15 or more ETDRS letters compared with argon laser (very low certainty).
It is very uncertain whether diode laser changes BCVA: gain of 15 or more ETDRS letters compared with argon laser (very low certainty).
It is very uncertain whether diode laser changes clinical failure compared with electrosurgery (very low certainty).
Diode laser showed no clear difference in radiological failure compared with ferric sulphate (FS) (low certainty).
Diode laser showed no clear difference in clinical failure compared with ferric sulphate (FS) (low certainty).
Diode laser showed no clear difference in radiological failure compared with formocresol (FC); GRADE not reported.
Diode laser showed no clear difference in clinical failure compared with formocresol (FC); GRADE not reported.
Diode laser showed no clear difference in radiological failure compared with electrosurgery (low certainty).
Diode laser, visible red (630 nm to 700 nm) led to lower changes in intensity of pain (VAS 0 to 10) tested through tactile… compared with placebo (placebo laser or placebo agent) or no treatment; GRADE not reported.
Diode laser, visible red (630 nm to 700 nm) led to lower changes in intensity of pain (VAS 0 to 10) tested through air blast… compared with placebo (placebo laser or placebo agent) or no treatment; GRADE not reported.
Diode laser, near infrared (700 nm to 850 nm) led to lower changes in intensity of pain (VAS 0 to 10) tested through air blast… compared with placebo (placebo laser or placebo agent) or no treatment; GRADE not reported.
Diode laser, near infrared (850 nm to 980 nm) led to lower changes in intensity of pain (VAS 0 to 10) tested through air blast… compared with placebo (placebo laser or placebo agent) or no treatment; GRADE not reported.
Diode laser, near infrared (850 nm to 980 nm) led to lower changes in intensity of pain (VAS 0 to 10) tested through tactile… compared with placebo (placebo laser or placebo agent) or no treatment; GRADE not reported.
Diode laser, near infrared (700 nm to 850 nm) showed no clear difference in changes in intensity of pain (VAS 0 to 10) tested through tactile… compared with placebo (placebo laser or placebo agent) or no treatment; GRADE not reported.
It is very uncertain whether low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… changes patient-reported altered sensation (spontaneous or evoked:… compared with placebo (sham) laser therapy (very low certainty).