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If your prescription does not contain your PD: 1  Ask to have it measured at an optical shop â some may charge a fee. 2  Contact an optical shop where you have previously purchased prescription glasses. 3  Your previous optometrist may have a record of your PD.  Alternatively, try measuring your own Pupillary Distance as explained below.
If you're having a vision problem, an optometrist will examine your eyes and provide you with a diagnosis. In some cases, an optometrist may prescribe corrective lenses to treat your vision problem. If you have an eye disease, such as glaucoma, your optometrist will refer you to an ophthalmologist.Optometrists also provide your vision care before and after a surgical procedure, and the optometrist may administer prescriptions and vision therapy.f you're having a vision problem, an optometrist will examine your eyes and provide you with a diagnosis. In some cases, an optometrist may prescribe corrective lenses to treat your vision problem. If you have an eye disease, such as glaucoma, your optometrist will refer you to an ophthalmologist.