Board Thread:Lore Discussion/@comment-2165692-20140425203121/@comment-75.75.80.173-20140707193924

It could be a mixture of these things together. Dwemer surroundings, magical skill, a sixth sense (echolocation or something), detect aura, and heightened senses.

It could also be true that an elite few Falmer might even have rudimentary sight from generations of living underground or perhaps from a Shaman. Falmer Shamans could have magical sight-granting powers?