• What are your main symptoms? How long have you had your symptoms?
• Do your symptoms affect one or both eyes?
• Have you had this problem in the past? If so, do you know what caused the problem at that time? How was it treated?
• Do you wear contact lenses or eyeglasses? Do you think the problem is because of your contacts?
• Have you had any vision changes, pain in the eye, double vision, excessive tearing, or increased sensitivity to light?
• Have you had any exposure to toxic fumes, chemicals, or smoke?
• Does anyone in your family or at your workplace have an eye infection, such as drainage from the eye or red and swollen eyelids?
• Do you have allergies, or are your eye symptoms occurring at certain times of the year?
• What home treatment measures have you tried? Did they help?
• What prescription or nonprescription medicines have you used? Did they help?
• Have you recently traveled outside the country?
• Do you smoke?
• Do you have any health risks?

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