When a pair of Canadian dad and mom discovered three of their 4 youngsters will steadily lose their imaginative and prescient because of a uncommon genetic illness, they had been devastated. Edith Lemay and Sébastien Pelletier went by a grieving course of — rife with disappointment, anger and a seek for a miracle for retinitis pigmentosa, a hereditary situation with no remedy. As their new actuality sank in and so they accepted the prognosis, the dad and mom got here up with a once-in-a-lifetime concept for his or her household of six. “That’s their path — let’s make the very best out of it,” Lemay mentioned from their Quebec residence…