What type of lens adheres to the globe more effectively than other soft lens materials?

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Silicone hydrogel lenses are recognized for their superior adherence to the ocular surface, primarily due to their increased water content and enhanced oxygen permeability compared to traditional hydrogel lenses. The molecular structure of silicone hydrogel materials allows for a higher degree of wettability, reducing the risk of deposit formation and improving comfort for wearers. This characteristic makes silicone hydrogel lenses not only more effective in adhering to the globe but also more suitable for extended wear.

Hydrogel lenses, while comfortable and widely used, do not share the same level of oxygen permeability, limiting their overall wear time compared to silicone hydrogels. Hard gas permeable lenses, although they provide excellent visual acuity and oxygen transmission, do not adhere to the eye in the same way that soft lenses do, leading to a different wearing experience. Non-wetting lenses may have specific characteristics that prevent the buildup of deposits, but they do not necessarily adhere better to the corneal surface than silicone hydrogel lenses. Therefore, in terms of overall adherence and comfort, silicone hydrogel lenses are the optimal choice.

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