It started with flashing lights.
Vincent Serritella woke up the morning of Dec. 5 to dancing sparks in his vision. He wrote them off at first — he thought he was tired, spending too much time in front of a screen — but then, while typing at his computer, he noticed he couldn’t see his left hand.
Vincent, 50, is an artist, and not being able to see was alarming. He went to his eye doctor, who referred him, the same day, to another doctor who specializes in vision problems related to the brain. That doctor sent him to the hospital, where within hours he was told there was a tumor in his brain, pressing on his optic nerve…