A sight visor was a special visor worn by Defels when they left their homeworld of Af'El that allowed them to "see" by blocking out all light wavelengths other than ultraviolet. If a Defel lost their sight visor, they were effectively rendered blind.



Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.