Cooper Clear FW contact lenses from CooperVision are spherical lenses designed to be worn as frequent wear lenses for up to a month.
The lens material, tetrafilcon A, is a hydrophilic random terpolymer of 2-hydroxyethyl methacrylate, N-vinyl-2-pyrrolidone and methylmethacrylate joined in a three dimensional network of terpolymer chains by divinylbenzene cross links.
|Base Curve:||8.4 and 8.7 mm|
|Power Range:||-0.25 to -10.00|
|Oxygen Permeability:||9.3 x 10-11 (cm2/sec) (ml 02/ml x mmHg) at 35 deg. C|