Oxygen permeability | 合法醫療器材資訊網
Theearliestmodelsofsoftcontactlenseshadalevelofoxygenpermeabilityofaround6–8Dk/t.Today's...AcuvueOasysDailywithHydraLuxeforAstigmatism,SenofilconA,121Dk/t,Daily...Frequency58UV,MethafilconA,31Dk/t,Monthly.
Oxygen permeability describes the amount of oxygen that is able to pass through the contact lens to reach the eye. Its value is expressed in Dk/t. The earliest models of soft contact lenses[1] had a level of oxygen permeability of around 6-8 Dk/t. Today’s silicone hydrogel lenses feature oxygen permeability levels of around 150 Dk/t.
A high oxygen permeability ensures that your cornea will receive a lot of oxygen, which it needs to keep your eyes as healthy as possible. Hydrogel lenses generally feature a higher water content and low oxygen permeability, whereas silicone hydrogel lenses have a high oxygen permeability and relatively lower water content. When it comes to choosing between a lot of water or a lot of oxygen, there really isn’t a right answer. It all depends on your needs and your eyes.
Oxygen permeability and types of lensesHydrogel lenses use water in the...
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【帝康58抗紫外線水潤月拋隱形眼鏡】許可證字號:衛部醫器製字第006100號
器材品名:帝康58抗紫外線水潤月拋隱形眼鏡許可證字號:衛部醫器製字第006100號註銷狀態:註銷日期:註銷理由:有效日期:2023/05/...