>That said, I don't think the FTC stipulates what information must appear on the prescription. Many docs leave off your PD (pupillary distance), which is a nece

>That said, I don't think the FTC stipulates what information must appear on the prescription. Many docs leave off your PD (pupillary distance), which is a necessary measurement if you're buying online. Fortunately, there are a variety of easy ways to take this measurement yourself after the exam, although if you're really concerned about precision, you'll want the doctor's measurement. at that point just visit a better eye doctor.