How to Read Your Contact Lens Prescription

Understanding your contact lens prescription is essential for ensuring proper vision correction and eye health. Here's a guide to help you decipher the various components of your prescription:

1. OD and OS:

OD stands for "oculus dexter," which refers to the right eye.OS stands for "oculus sinister," which refers to the left eye.

2. Power (PWR):

This indicates the strength of the lens needed to correct your vision. A negative number signifies near-sightedness, while a positive number indicates farsightedness.

3. Base Curve (BC):

This refers to the curvature of the back surface of the contact lens. It ensures a proper fit on the cornea.

4. Diameter (DIA):

Diameter represents the size of the lens in millimetres. It determines how well the lens covers the cornea.

5. Cylinder (CYL) and Axis:

These parameters are specific to astigmatism correction. Cylinder indicates the strength of astigmatism, while the axis denotes the orientation of the astigmatism.

6. Add (ADD):

ADD is relevant for multifocal lenses and indicates the additional power needed for near vision.

7. Brand:

Your prescription may include the recommended brand of contact lenses. Remember to consult your eye care professional for any questions or concerns about your prescription. Always adhere to the prescribed replacement schedule and proper lens care practices for optimal eye health.

Should you need further assistance, do not hesitate to reach out to our knowledgeable team for guidance and support.