Possible Clues:

• Former ophthalmologist is in old religious group
• Treater of eyes
• One who treats eye disorders and defects
• One studying vision of love is taken in by sect
• Glasses recommender
• Pro giving exams to pupils?
• Ophthalmologist, quaintly
• Someone who sees what you can see
• One whose work is dealing with viewers' complaints
• Sounds as if I get a treat, perhaps, from one