PROBLEM TO BE SOLVED: To provide a contact lens for cornea-correction crosslinking capable of causing a riboflavin solution to speedily and reliably permeate into the corneal tissue of a patient, in cornea crosslinking.SOLUTION: The contact lens for cornea-correction crosslinking is formed from an ultraviolet transmitting material, and comprises, on the side thereof that contacts a cornea 2 of a patient, a pressing area 32 protruding so as to have a convex curve shape at a position where the center of a cornea dome is pressed, and a relief area 34 surrounding the outer periphery of the pressing area and formed of an annular concave part having a concave arc shape. Both of the areas are pressed against the cornea to change the shape of the cornea and correct at least unaided vision and keratoconus. This contact lens further comprises: a reservoir part 12 that is provided to the pressing area on the outer side thereof in the lens thickness direction, and stores a riboflavin solution therein through holes 44 that enable communication between the inside of the reservoir part and the pressing area and a working-side electrode 14 that has the same polarity as the riboflavin solution inside the reservoir part. While the contact lens is worn on the eyeball 1, the riboflavin solution permeates into the corneal tissue by iontophoresis, and ultraviolet irradiation is possible.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】角膜のクロスリンキングの際に、短時間で確実にリボフラビン溶液を患者の角膜組織に浸透させることができる、矯正角膜クロスリンキング用コンタクトレンズの提供。【解決手段】紫外線透過材料から構成され、患者の角膜2に接触する側に、角膜ドームの中央を押圧する位置で凸湾曲面状に突出されている押圧領域32と、押圧領域の外周を囲み、凹円弧形状の環状凹部からなるリリーフ領域34とを備え、これらを角膜に押し付け、角膜の形状を変えて、少なくとも裸眼視力及び円錐角膜を矯正するものであって、更に、押圧領域の、レンズ厚さ方向外側に設けられ、リボフラビン溶液を貯留するリザーバ部12と、リザーバ部内と押圧領域を連通する連通孔44と、リザーバ部内のリボフラビン溶液と同一極性を持つ作用側電極14とを有し、眼球1に装着したままで、イオントフォレーシスによりリボフラビン溶液を角膜組織に浸透し、且つ、紫外線照射可能とする。【選択図】図1
