Board Thread:Lore Discussion/@comment-4984687-20130404031031/@comment-7153552-20130416170908

The final remaining "true" Falmer, Knight-Paladin Gelebor, stated that it was a magical event that caused their current state of being. I don't know what it was, and neither does Gelebor. That being said, your theory assumes the race doesn't adapt to their new surroundings. Look at the Dwemer, their whole civilization is underground. The Snow Elf Chantry wherer you meet Gelebor is underground, many of the sections are not, but parts of their way of life and worship were done in caves and such. The Ayleids had ruins that span massive tracts of land, both above and below ground. The natural devolution of the Falmer could have been blindness, but not a ferral state like they are in currently.