You’ll need the PD (two for multifocal lenses) if you decide to order lenses online. Or he or she may advise you to avoid frames that can’t properly accommodate your prescription-rimless models that won’t look right with thick lenses, for instance, or frames that are too narrow to handle the multiple vision fields in progressive and other multifocal lenses.Īsk the doctor to measure what’s called your pupillary distance or PD (the distance between the center of each of your pupils) and include it on your prescription. For example, your ophthalmologist may recommend a certain type of progressive lens or a specific material for your lenses. While at the doctor’s, ask for recommendations about which lenses and frames are right for you. If your prescription is more than a year old, you’ll need a new eye exam, says James Wachter, an optometrist at Clarkson Eyecare in St. Look for advice on choosing lenses, frames, and add-ons, such as anti-reflective coatings. There are many good online resources you can use to find information, including, , and.
It’s smart to research your choices, even before you have your eyes examined, so that you will know what to ask, understand your options better, and avoid being oversold on extras you don’t need.
