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Plot: Blink tells the story of the Pelletier family, a happy, adventurous family of six, who decide to go on a world tour after learning three of their four children will soon lose their vision to retinitis pigmentosa, a rare, incurable disorder that leads to permanent blindness. The family sets out on a once-in-a-lifetime trip to experience all of the beauty the world has to offer while they can still see it