I don't know why sibling poster is dead, it seems a fair question and I didn't know the answer so I've asked them and will update when I get a reply. Edit: The

I don't know why sibling poster is dead, it seems a fair question and I didn't know the answer so I've asked them and will update when I get a reply. Edit: The person I asked said they wore their glasses some of the time but also spent some of the time without (when they were climbing in the rigging etc.)