Difference between revisions of "Template:FDA classification of soft contact lens materials"
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|{{abbr|HEMA|2-Hydroxyethyl methacrylate}}, {{abbr|MAA|methacrylic acid}}, PVP | |{{abbr|HEMA|2-Hydroxyethyl methacrylate}}, {{abbr|MAA|methacrylic acid}}, PVP | ||
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'''DA'''{{nbsp}}– [[diacetone acrylamide]]; '''DMA'''{{nbsp}}– [[N,N-dimethylacrylamide|''N'',''N''-dimethylacrylamide]]; '''HEMA'''{{nbsp}}– [[2-Hydroxyethyl methacrylate]]; '''MAA'''{{nbsp}}– [[methacrylic acid]]; '''MMA'''{{nbsp}}– [[methyl methacrylate]]; '''NCVE'''{{nbsp}}– [[N-carboxl vinyl ester|''N''-carboxl vinyl ester]]; '''NVP'''{{nbsp}}– [[N-vinyl pyrrolidone|''N''-vinyl pyrrolidone]]; '''PBVC'''{{nbsp}}– poly[dimethylsiloxyl] di[silybutanol] bis[vinyl carbamate]; '''PC'''{{nbsp}}– [[phosphorylcholine]]; '''TPVC'''{{nbsp}}– [[tris-(trimethylsiloxysilyl) propylvinyl carbamate]]; '''TRIS'''{{nbsp}}– [[tris-(hydroxylmethyl) aminomethane]] | '''DA'''{{nbsp}}– [[diacetone acrylamide]]; '''DMA'''{{nbsp}}– [[N,N-dimethylacrylamide|''N'',''N''-dimethylacrylamide]]; '''HEMA'''{{nbsp}}– [[2-Hydroxyethyl methacrylate]]; '''MAA'''{{nbsp}}– [[methacrylic acid]]; '''MMA'''{{nbsp}}– [[methyl methacrylate]]; '''NCVE'''{{nbsp}}– [[N-carboxl vinyl ester|''N''-carboxl vinyl ester]]; '''NVP'''{{nbsp}}– [[N-vinyl pyrrolidone|''N''-vinyl pyrrolidone]]; '''PBVC'''{{nbsp}}– poly[dimethylsiloxyl] di[silybutanol] bis[vinyl carbamate]; '''PC'''{{nbsp}}– [[phosphorylcholine]]; '''TPVC'''{{nbsp}}– [[tris-(trimethylsiloxysilyl) propylvinyl carbamate]]; '''TRIS'''{{nbsp}}– [[tris-(hydroxylmethyl) aminomethane]] | ||
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Revision as of 20:49, 3 September 2020
| FDA lens group | Adopted name | Transmissibility level
(Dk x10-11) |
Water content | Chemical composition |
|---|---|---|---|---|
| I non-ionic low water content |
galyfilcon A | 60 | 47% | – |
| lotrafilcon A | 140 | 24% | DMA, siloxane, TRIS | |
| lotrafilcon B | 110 | 33% | ||
| polymacon | 7.5 | 36% | HEMA | |
| tetrafilcon | 9.0 | 43.5% | HEMA, MMA, NVP | |
| II non-ionic high water content |
alphafilcon A | 22.9 | 66% | HEMA, NVP |
| hilafilcon A | 26.9 | 70% | ||
| omafilcon A | 19.6 | 62% | HEMA, PC | |
| III ionic low water content |
balafilcon A | 99 | 36% | NCVE, NVP, PBVC, TPVC |
| bufilcon A | 16.0 | 45% | DA, HEMA, MAA | |
| IV ionic high water content |
etafilcon A | 17.0 | 58% | HEMA, MAA |
| ocufilcon D | 19.7 | 55% | ||
| vifilcon A | 16.0 | 55% | HEMA, MAA, PVP | |
| Template:Smalldiv | ||||
- ↑ Stretton, Serina (October 2004). "Should Silicone Hydrogels be Placed in a Separate FDA Soft Contact Lens Category?". siliconehydrogels.org. Retrieved 3 September 2020.