Question - Over the past two decades laser pointer induced retinal injury among children has been identified as a significant cause for ocular injury. Which color laser beam (red or green) is considered to be the most harmful with regard to retinal injury?
Answer- The cited article notes: “…….experiments reveal that green laser pointers (490–575 nm) are more harmful to the retina compared with red laser pointers (630–750 nm).” (Robertson DM et al. Laser pointers and the human eye: a clinicopathologic study. 2000 Arch Opthal 118(12):1686-1691 as cited in Xu K et al. Retinal injury secondary to laser pointers in pediatric patients. 2016 Pediatrics 138(4):e20161188)