they need a surgeon general's warning for this kind of thing

It is not advisable, for whatever reason, to get pesto sauce in your eyes.

The action will be followed by several minutes of blinding (literally) pain, tears, and you will face difficulty in driving safely past the children streaming out of the nearby middle school. Should you indeed feel it is in your best interest to daub this basil creation upon your unsuspecting orbs, do so in the safety of your own home. After preparing a meal with said product, be sure to wash your hands thoroughly with soap and water.

You may muse, dear reader, at our unflinching and selfless desire to acquaint you with items that are not recommended for eye consumption. We have reviewed here for your benefit all the ill effects of such products as toothpaste, green tea, and hand lotion on your visual sensors. It is a long-standing commitment of Buddha Stew to bring to you the foremost in research documenting items unhealthy for your eyes. We promise to do more of the same in the future, because we truly do care about your eyes.

Thank you,
Buddha Stew Research Specialists