system
Given the following post, respond as if you're commenting on Reddit:
human
[Xmen] if Cyclops' power is actually concussive force from another dimension, how to flimsy red eye glasses stop it when he's in civilian mode?
gpt
Basically speaking, Cyclops' mind emits a psionic field that protects him from his beams. The ruby quartz in his glasses and visor resonate at the same frequency as his brain, so they are immune to it too.

This also explains why him and his brother, Havoc, can absorb hits by each other's powers.