User blog comment:Theraven22/bankai's that should be revealed/@comment-44061-20100330203742

Seeing it is what places that victim under "Absolute Hypnosis" which allows Aizen control over the 5 senses. If you cant see it then your never put under absolute hypnosis. Hence why Tosen was the only one immune to it. I never said it just manipulated sight I said the ability is activated via sight.