A BBC News Arabic investigation exposes the doctors and clinics falsely promising they can improve patient's sight. Reporter, Ramadan Younes, is one of the millions of people globally who have a genetic eye condition, Retinitis Pigmentosa, that can lead to blindness. He goes undercover to secretly film the doctors making false promises to desperate patients in Russia, the US and the Middle East charging up to $20,000 for procedures that are dubious and potentially dangerous.