An 8-year-old boy in Toronto was losing his vision due to a rare genetic disorder.
Now he can now see clearly again, thanks to gene therapy.
Sam was diagnosed after birth with a genetic disorder called retinitis pigmentosa, a form of genetic retinal degeneration resulting from mutations in the RPE65 gene. Symptoms often begin in childhood, which includes decreased vision at night or in low light as well as loss of side vision.
The eye disease is progressive and affects between 1 in 3,500 to 1 in 4,000 Canadians, according to Fighting Blindness Canada.
"Sometimes you have to walk in the night and I couldn't see things and you bump into things," Sam told CTV News.
So, last year, Sam and his family traveled to the U.S to try gene therapy because it wasn't approved in Canada yet.
His mother, Sarah Banon, noticed changes quickly.
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