Not something I have seem more than once or twice I guess. For male chars it is usually to buff and accumulate power (like in Bleach) or create disadvantages for himself so he can be stronger by removing it, etc of course there are also the eyeless or the like.
For women thought the only case I remember was mentioned with Kaede being blind since childhood.

duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"
http://gamrconnect.vgchartz.com/post.php?id=8808363
Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"
http://gamrconnect.vgchartz.com/post.php?id=9008994
Azzanation: "PS5 wouldn't sold out at launch without scalpers."







