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Contact lens material types and classification.
| Proprietary name | 1-Day ACUVUE® MOIST | SofLens daily disposable |
|---|---|---|
| Manufacturer | Johnson & Johnson Vision Care | Bausch + Lomb Inc. |
| FDA Group | IV | II |
| USAN* | etafilcon A | hilafilcon B |
| Principal monomers | pHEMA–methacrylic acid + polyvinylpyrrolidone | pHEMA + N-Vinyl-2-pyrrolidone |
| Water content (%) | 58 | 59 |
| Diameter (mm) | 14.2 | 14.2 |
* United States Adopted Name.
