Scientists have uncovered a new gene that could help save the sight of patients with a type of inherited blindness. The international research team led by the University of Leeds found that the TSPAN12 gene is faulty in patients with a disease known as FEVR (Familial Exudative Vitreoretinopathy), which affects the development of the eye. While many FEVR patients are registered blind or visually impaired, members of the same family may carry the faulty gene without showing any symptoms... 
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