I thought the high-pitched ringing in my ears and my extra loud heartbeat was tinnitus... until I discovered I had this related but different condition. These are the signs you have it too

These include the whooshing sound of his heartbeat, a pulse in his ears, a high-pitched ringing noise – and the bizarre sound of his eyeballs moving side to side, or up and down. ‘The brain should have capacity to turn off the tinnitus noise, but it doesn’t happen in most cases,’ says Dr Umashankar. When Matt first woke with a high-pitched ringing noise in his ears, he assumed it would be temporary. But the tinnitus noise is still there all the time,’ he says. Used for 60 minutes a day, the claim is it retrains neurons in the brain to reduce its attention to tinnitus sounds.