UK bans powerful laser pointersBMJ 1997; 315 doi: https://doi.org/10.1136/bmj.315.7118.1251e (Published 15 November 1997) Cite this as: BMJ 1997;315:1251
- Kamran Abbasi
The British government has banned the most powerful laser pointers because they could cause retinal damage if shone directly into the eye. The pens are used as presentation aids, but they have also been misused to distract goalkeepers, policemen, and drivers at night.
Dr Ajoy Kar, reader in physics at Herriot-Watt University in Edinburgh, used sophisticated calibrated laser power meters to show that …