Possible Clues:

• Inset year (anag.)
• What might give you an irritated look?
• Good reason to squint
• Problem seeing east, I agree, row of carriages behind
• Seeing difficulty certainly, retinue on message in the end
• Tiredness in sense organ requires one to go in ten years after treatment
• Problem caused by too much reading, of course, in English school
• Report of frozen deluge creating vision problem
• Problem looking unsolvable ultimately, certainly in need of coach
• Optic fatigue