Wonder no longer how Tigh lost his Eye. It's all Aaron Doral's fault! The clip above is from a deleted scene included on the Battlestar Galactica season three DVD set, and is available for free viewing on the DVD launch website.
While I'm glad this remained on the cutting room floor -- it's a bit cheesy, and the mystery of Tigh's experience added a lot to the creepiness factor of the whole ordeal -- I'm also glad to know that yes, the loss of his eye was every bit as terrifying as I'd imagined.
BSG Season Three DVD [Promotional Site]