Possible Clues:

• Last year, contracted medical problem
• Small yet troublesome inflammation
• Ocular issue
• Visually disturbing pimple?
• Eyesore among nasty edifices
• Eye disorder from pen point
• Problem with lid European put on pen
• Hot compress target, perhaps
• Bad eye sight
• Pupil missing from class? That's a sore spot and will need to be looked at!