First Time User? Sign Up Now
First Time User? Enroll now.
Home > Health Library > Eyeglass Prescriptions
Prescriptions for glasses have two main components: shape and power.
The shape of a lens determines the type of correction.
The power of a lens determines the amount of correction. It is specified in diopters. The higher the number of diopters, the more vision correction the lens provides.
Current as of:
August 31, 2020
Author: Healthwise StaffMedical Review: Adam Husney MD - Family Medicine
Current as of: August 31, 2020
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine
To learn more about Healthwise, visit Healthwise.org.
© 1995-2021 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.