Cressi Prisma Mask Negative Corrective Lens
Cressi Prisma / Focus replacement lenses provide full negative correction for compatible Cressi masks. Each lens fits either eye and is sold individually. Select the required strength for each eye; order two lenses when replacing both.
Features and benefits
- Model-specific replacement lens for the compatible masks listed below.
- Full negative correction.
- Symmetrical lens fits either side.
- Optical glass; sold individually.
Technical Specs
| Specification | Details |
|---|---|
| Model | Cressi Prisma / Focus |
| Correction type | Full negative correction |
| Powers | −1.0 to −8.0 in 0.5-dioptre steps offered here |
| Lens side | Symmetrical lens fits either side |
| Compatible masks | Cressi Prisma and Focus |
| Supply | One lens; mask sold separately |
Do I need one lens or two, and can each eye use a different power?
Ask your optometrist to confirm the appropriate premade spherical correction for each eye before ordering. These lenses do not reproduce cylinder, axis or prism values from a custom spectacle prescription. If your prescription needs more than the available spherical correction, ask about custom mask lenses.
Each lens is sold individually; a complete twin-lens mask normally needs two. The same lens shape can be fitted on either side; choose the required power for each eye.
Fitting and care
Confirm the mask model before ordering and follow the manufacturer’s fitting instructions. Ask our team to arrange fitting if you are unfamiliar with the frame. Rinse with fresh water and use only cleaning products suitable for the fitted lenses.


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