Imagine watching the world you've always known start to fade away.

According to the Centers for Disease Control and Prevention, about 7 million people in the United States have vision impairment. That includes 1 million with blindness.

That's what is happening to Sabrina, from Minnesota, after being diagnosed with an autoimmune disease two decades ago. She says steroids led to a devastating side effect, glaucoma.

Her vision has gradually been deteriorating since she was 6 years old.

"I haven't come to terms with it," Sabrina said. "Every time I lose more vision, it's another adaptation phase I have to go through, another grieving process."

At 27, she's learning to live differently and independently. She attended a blind school where she learned how to move through a world that moves d

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