Cyclops doesn’t really have one eye – that’s just his headgear! From his visor, though, he can emit a beam powerful enough to flatten a mountain. Besides being a master blaster, Cyclops is a skilled tactician, having been the leader of the X-Men for as long as Captain America has led the Avengers.
References: [wikipedia.org: Cyclops (Marvel Comics)]
[cbr.com: X-Men: Cyclops’ 10 Most Inspiring Leadership Quotes]
Metahuman Database 