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What Cylinder and Axis Parameters Are Available in Precision1 for Astigmatism 90 Pack?
Understanding the available parameter range for Precision1 for Astigmatism helps confirm whether this lens can accommodate your specific toric prescription before ordering.
Your Toric Prescription: Three Key Values
- • Sphere (SPH): The base correction for myopia or hyperopia
- • Cylinder (CYL): The additional power correcting your astigmatism, expressed as a negative number
- • Axis: The orientation of the astigmatism correction in degrees (1° to 180°)
Available Parameters
| Parameter | Available Range |
|---|---|
| Sphere (SPH) | +4.00D to -6.00D |
| Cylinder (CYL) | -0.75D, -1.25D, -1.75D, -2.25D |
| Axis | 10° to 180° in 10° steps |
| Base Curve | 8.3 mm |
| Diameter | 14.2 mm |
What If My Prescription Is Outside This Range?
For higher cylinder prescriptions beyond -2.25D, alternatives such as Biofinity Toric XR (monthly, up to -5.75D cylinder) may be appropriate. For sphere prescriptions outside +4.00D to -6.00D, your eye care professional will identify the correct lens option for your prescription.
A valid toric contact lens prescription (sphere, cylinder, and axis) is required for all orders at WebEyeCare. WebEyeCare verifies prescriptions before processing.
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