Oxygen permeability | 合法醫療器材資訊網
![Oxygen permeability](https://i.imgur.com/6y29Lx7.jpg)
Theearliestmodelsofsoftcontactlenseshadalevelofoxygenpermeabilityofaround6–8Dk/t.Today'ssiliconehydrogellensesfeatureoxygenpermeabilitylevelsofaround150Dk/t....DailiesTotal1Multifocal,DelefilconA,156Dk/t,Daily.
![Oxygen permeability](https://i.imgur.com/6y29Lx7.jpg)
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...
Silicone Hydrogel Contact Lenses | 合法醫療器材資訊網
Hydrogel vs silicone hydrogel lenses | 合法醫療器材資訊網
What are silicone hydrogel contact lenses? | 合法醫療器材資訊網
Silicone Hydrogel Contact Lenses - Daily | 合法醫療器材資訊網
Oxygen permeability | 合法醫療器材資訊網
Silicone Hydrogel Contact Lenses Safety | 合法醫療器材資訊網
What are silicone hydrogel contact lenses | 合法醫療器材資訊網
Monthly Contact Lenses | 合法醫療器材資訊網
The evolution of silicone hydrogel daily disposables | 合法醫療器材資訊網
Are contact lenses with high water content better? | 合法醫療器材資訊網
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