Pupula Duplex, a strange desease...
The rare eye condition is a eye malfunction where one eye have 2 Pupils. If you want to get detailed information about the eye malfunction then visit google. But be carefull, the informations you can find on the web are not accurate. If you realy want to get detailed information then visit your bookstore and ask for a book about samurais. In some books you can find this desease and a detailed explaination about this issue.