SOFT CONTACT LENS CAPABLE OF MAINTAINING AN INITIAL MOISTURE CONTENT AFTER A USER WEARS A SOFT CONTACT LENS FOR A LONG TIME

摘要

PURPOSE: A soft contact lens is provided to correct astigmatism by thickening an optical part of a soft lens.;CONSTITUTION: The thickness of a lens is controlled to correct eyesight by corresponding to pupils of a user. A central optical part(130) of the lens is thicker than the outer side(110) of the optical part. A lens edge part(140) is thicker than the outer side of the optical part. A hole(150) for tear circulation is formed between the edge part and the outer side of the optical part. The thickness of the optical part is 0.1 to 0.25 mm. The outer side of the optical part is 0.06 to 0.15 mm.;COPYRIGHT KIPO 2010