| abstract |
The invention discloses a kind of flexible hydrophilic contact lens and make formula, relate to contact lens and manufacture field, mainly include following components: ethylene glycol: 500 grams, methyl methacrylate: 25 grams, methacrylic acid: 20, gram styrene: 20 grams, butyl acetate: 800 grams, second one mercaptoethanol: 10 grams, propyleneglycoles: 100 grams, hydroxyethyl methylacrylate: 1000 grams, hexamethylene diisocyanate: 5 grams.The flexibility of flexible hydrophilic corneal contact lens out made by the present invention is good, elastic good, is difficult to fade, more stable when being shaped and paint, and the flexible hydrophilic corneal contact lens after making is worn and the most comfortable do not had strong impulse effect. |