How To Translate Glasses Prescription To Contacts. The doctor can give you a prescription for contact and a prescription for glasses. Hold a ruler in front of the person to be measured and have them look straight ahead.
The converted sphere power becomes the contact lens sphere power. To return to the correct format, follow these 3 rules: Sphere power is the main strength of your eyeglass prescription, and it is written in increments of 0.25.
Here’s the meaning behind each of these letters and numbers on your glasses prescription:
Your prescription may include the following: If you wear contacts, you’ll need a prescription specifically for contacts. Here’s how you convert contact lenses to glasses: The prescription is measured in diopters, the refractive power of your new glasses or contacts.