"if both eyes are dilated, it's usually a drug-related rather than a disease-related problem," says Jason Slakter, M.D."
Lay off the drugs.
"Review your medications. If both pupils remain dilated more than a day, your physician should be able to pinpoint the medication that may be causing the problem. Be sure to let him know about any over-the-counter medicines or eye-care products that you are using. "
Or see a doctor.