How to Learn a Contact Lens Prescription: 12 Steps (with Photos)

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About This Article

Medically reviewed by:

Physician of Optometry, Southern California Faculty of Optometry

This text was medically reviewed by Shaune Wallace, OD. Dr. Wallace is an Optometrist in Nevada with over 14 years of optometry expertise. He acquired his OD from the Southern California Faculty of Optometry in 2006 and is a member of the American Optometric Affiliation. This text has been considered 342,048 instances.

Co-authors: 10

Up to date: June 30, 2022

Views: 342,048

Article SummaryXTo learn a contact lens prescription, begin by wanting on the energy of correction, which is indicated by a minus signal for nearsightedness and a plus signal for farsightedness. Moreover, consult with OD and OS to find out the nearsightedness or farsightedness in the correct and left eye. For instance, in case your prescription reads OD -3.50 D, it means that you’ve 3.5 diopeters of nearsightedness in your proper eye. Then, use the bottom curve (BC) and diameter (DIA) to determine the form and measurement of the contacts. For extra recommendation from our Medical reviewer, like how to learn a prescription for situations like astigmatism, learn on!

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