| abstract |
HYDROGEL SILICON CONTACT LENS The present invention relates to ophthalmically compatible contact lenses and include lens bodies configured for placement in a cornea of a human or animal eye. Lens bodies are made from a hydrophilic silicon-containing polymeric material. Lens bodies have oxygen permeability, water content, surface humidification, flexibility and / or configuration for use by a lens wearer even during sleep. The lenses of the present invention may be worn on a daily basis, including overnight, or may be worn for several days, such as for about thirty days, without the need for removal or cleaning. |