Biomedics 1 Day Extra Toric CooperVision (90 lenses)
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How to select parameters?
- Dioptres (D/dpt./PWR)
- Curvature (BC)
- Diameter (DIA)
- Cylinder (CYL)
- Cylinder Axis (AX)
- Addition (ADD)
Dioptres (D/dpt./PWR)
Power refers to the refractive power of the contact lens. Look for a plus (+) or minus (-) sign. Note that an equals sign (=) may be used in place of a minus sign.
Curvature (BC)
The base curve describes the curvature of the contact lens surface, i.e. how well the lens fits the shape of your eye.
Diameter (DIA)
The diameter is the width of the contact lens (measured in millimeters). It is not recommended to select a new diameter size without first consulting your optician. Diameter impacts the fit, comfort and functionality of your lenses.
Cylinder (CYL)
The cylinder measurement is used for the correction of astigmatism. It is a negative value that corrects curvature of the cornea.
Cylinder Axis (AX)
The cylinder axis measurement is used for the correction of astigmatism. The value ranges from 0° - 180° and determines the exact position of corneal curvature.
Addition (ADD)
Addition is the difference between the dioptric value for distance vision and the dioptric value for near vision. It indicates the magnifying power in multifocal lenses.
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Details of Biomedics 1 Day Extra Toric CooperVision (90 lenses)
The perfect combination of comfort, convenience and great vision from CooperVision, Biomedics 1 Day Extra Toric contact lenses are changed every day so don’t require cleaning or the use of solutions. Advanced horizontal ISO thickness and a seamless surface allow the eyelid to move smoothly with every blink, and bring maximum comfort.
This is a medical device. Read instructions before use.
Product Details
| Expiration: | At least 12 months |
|---|---|
| Material: | Ocufilcon D |
| Easy handling tint: | Yes |
| Extended wear: | No |
| Water content: | 55 % |
| Oxygen transmissibility: | 17 Dk/t |
| UV filter: | No |
| Silicone Hydrogel: | No |
| Inside-out indicator: | No |
| Lenses in a box: | 90 |
| Power: | from -10.0 to 0.0 |
| Diameter: | 14.5 |
| Base curve: | 8.7 |
| Cylinder: | -0.75, -1.25, -1.75 |
| Center thickness: | 0.11 mm |
| Elastic modulus: | 0.4 MPa |
| Weight: | 255 g |
| Manufacturer: | CooperVision |
| Category: |
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