In 2024, 50-year-old Yuri, a resident of Rylsk, a small town in Russia’s Kursk region, was chopping maple branches in his garden when he suddenly felt a sharp pain in his left eye. He wasn’t wearing protective goggles, so he immediately realized that a piece of wood must have struck his eye, but because the pain eventually subsided, he figured it wasn’t a serious injury. Time passed, and Yuri forgot all about the woodcutting incident, but he continued to experience occasional flashes of pain and discomfort in his left eye. He even sought medical help, but the treatments prescribed by various ophthalmologists didn’t seem to help much. In fact, none of them could even tell him what the source of his discomfort was. Three months ago, Yuri’s condition worsened. The discomfort had become almost unbearable, and he also started losing vision in his left eye. Earlier this month, the 50-year-old man arrived at the Kursk Regional Hospital with blurred vision,...