Ashton Kutcher Reveals Autoimmune Disorder Left Him Unable To See, Hear or Walk: 'Lucky To Be Alive "Lucky to be alive," He says.

Ashton Kutcher is speaking out in the very first interview about his medical issue which left him without the ability to walk, hear or see.

coming show on National Geographic's "Running Wild with Bear Grylls: The Challenge," in which the actor discussed an uncommon autoimmune disorder that it developed.

"Like  two years ago, I had this weird, super rare form of vasculitis, that  like knocked out my vision, it knocked out my hearing, it knocked out  like all my equilibrium

It took approximately a year for him to rebuild each one once more, Ashton revealed to Bear.  limiting blood flow and causing tissues and organs being damaged in a few.

Vasculitis is an uncommon autoimmune condition with numerous variations that can lead to inflammation of blood vessels,

"You  don't really appreciate it, until it's gone," he declared, "Until you  go, 'I don't know if I'm ever going to be able to see again,

I don't know if I'm ever going to be able to hear again, I don't know if I'm ever going to be able to walk again'."  "Lucky to be alive," He says.

In spite of the terrifying experience, Ashton doesn't let it or any other difficulties, make him feel down. He views these as opportunities to grow.

"The  moment you begin to see your challenges as things designed to help you,  giving you what you require Then life will become more enjoyable isn't  it?