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Gemalens Grystal There are 2 products.

 Gemalens Grystal

NEW Contact Lenses Silicone Hydrogel with Aberration Control

  • Gemalens Grystal

     The cornea requires oxygen to be healthy. Silicone is a highly gas-permeable material as it allows the free flow of oxygen through the lens, avoiding the epithelium layer from possible keratitis. 

     The cornea requires oxygen to be healthy. Silicone is a highly gas-permeable material...

     The cornea requires oxygen to be healthy. Silicone is a highly gas-permeable material as it allows the free flow of oxygen through the lens, avoiding the epithelium layer from...

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