The 19-year-old man who was glassed in the head at Chelsea beach during a crime spree last week says he is lucky to be alive as he was recovering from major brain surgery at the time of the attack.

The young man - who spoke to the television network anonymously due to safety concerns - said he was still recovering from a brain haemorrhage and surgery three months ago in which he temporarily lost his eyesight.

The 19-year-old man was glassed in the face with a beer bottle on Thursday night. Credit:Seven News Melbourne

"There's still a portion of my skull that does not have actual bone covering it so had it been just to the left, glass could have penetrated my brain and I would have died," he said.

He told Seven News he was approached by two people "as if they were looking for something with their camera".