Austin Seraphin has been blind from birth. His iPhone review is enough to make you weep:
http://andrewsullivan.theatlantic.com/.a/6a00d83451c45669e2013487a1ba12970c-550wi The other night, a very amazing thing happened. I downloaded an app called Color Identifier. It uses the iPhone's camera, and speaks names of colors. It must use a table, because each color has an identifier made up of 6 hexadecimal digits. This puts the total at 16777216 colors, and I believe it. Some of them have very surreal names, such as Atomic Orange, Cosmic, Hippie Green, Opium, and Black-White. These names in combination with what feels like a rise in serotonin levels makes for a very psychedelic experience.
I have never experienced this before in my life. I can see some light and color, but just in blurs, and objects don't really have a color, just light sources...
First, I saw one of my beautiful salt lamps in its various shades of orange, another with its pink and rose colors, and the third kind in glowing pink and red. I was stunned.
The next day, I went outside. I looked at the sky.more:
http://www.theatlantic.com/technology/archive/2010/09/a-blind-users-profound-review-of-the-iphone/63400/