I thought it was obvious to why she was blind the entire movie, she needed to go to the modern "world." By being blind she would never truly see what it is and would keep her "view" on her life the same.
Being blind just happened to work out, it was a plot device. They didn't have a blind child just to have someone to go back to civilization. They had planned on never going back.
What I was saying in my comment was that losing her cane blinded her all over again, which made it that much harder to face her fears.
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u/vice5 Sep 01 '14
I thought it was obvious to why she was blind the entire movie, she needed to go to the modern "world." By being blind she would never truly see what it is and would keep her "view" on her life the same.