Contacts Prescription
- OD: Right eye OS: Left eye
- Power: Also referred to as Sphere or SPH (a number between -20 and +20)
- BC: Base Curve (a number between 8.0 and 10.0)
- DIA: Diameter (a number between 13.0 and 15.0)
- CYL: Cylinder (a number between -4.00 and +4.00)
- AX: Axis (a number between 0 and 180)
- Brand: The contact lens brand your doctor prescribed to you
Eyeglass Prescription
- OD: Right eye OS: Left eye
- Sphere: Main prescription strength
- CYL: Cylinder, indicates astigmatism
- Axis: Indicates astigmatism
- Prism: Included in prescriptions to fix diplopia, or double vision
- Add: For bifocal/progressive prescriptions
- PD: Distance between pupils
Frequently Asked Questions
The expiration date should be written on the prescription. Under federal law, your prescription is valid for 1-2 years, depending on the state in which your eye care provider is located.
If your prescription is expired, try our online vision test. It only takes about 10 minutes, and you'll have a doctor-approved prescription within 24 hours. It is super convenient, and you don't have to fit a visit to the doctor's office into your schedule.
The short answer is Yes. The brand is part of the prescription, so you must order the brand your doctor prescribed. You can talk to your eye care provider if you want to try a new brand.
You don't have to send us a copy of your prescription, but it will help us ship your order faster. Take a picture of your prescription with your phone and upload it when you place your order, email it to myRx@1800GetLens.com, or fax it to 1-800-401-1495. Please include your order number when you email or fax us your prescription. You can write it on the fax or include it in your email.
