...Shoulder Loli...
"The good news is," the nurse begins, "we can treat this and your vision will be perfectly back to normal in a few days."
And the bad news is that she's going to want to blindfold you through the interim period to forcibly ensure that your eyes are protected from strain while they're recovering.
"The bad news is, it's going to involve giving you a medicated blindfold to protect your eyes from strain while they're recovering."
If you want a weird mental image - a waist bag. Or a holster.
Backpack[X]DEMAND to be allowed to help your beloved idiots work through whatever's going on with senpai, even if it means running around the school for a few days completely blind and mostly helpless!
So… shoulder loli, or backpack loli?