| 摘要 |
The invention relates to an An intra ocular lens (IOL) (1) comprising a lens (3) with a main lens part (4) having a surface, a recessed part (7, 8) having a surface which is recessed with respect to said surface of said main lens part (4), an optical centre, and an optical axis (R) through said optical centre, said main lens part (4) having at least one boundary with said recessed part, said main lens part (4) having an optical power of between about -20 to about +35 dioptre, said recessed part (7, 8) positioned at a distance of less than 2 mm from said optical centre and comprising a near part having a relative dioptre of about +1.0 to about +5.0 with respect to the optical power of said main lens part (4), said boundary or boundaries of said recessed lens part with said main lens part form a blending part or blending parts (10, 11) shaped to refract light away from said optical axis, said IOL (1) further comprising a central part (6) which has a relative optical power of about -2.0 to +2.0 dioptre with respect to said main lens part (4), wherein said central part (6) fits within a circumscribing circle with a diameter of about 0.60-1.20 mm. |
