| 摘要 |
A refractive intraocular lens (20) includes an optic portion (22) having an outer peripheral edge (24) and at least two haptic element (26) each having an inner portion (28) and an outer end (30) for supporting the optic portion (22) in a patient's eye (10), the respective inner portions (28) of the haptic elements (26) being connected to the outer peripheral edge (24) of the optic portion (22). Each haptic element (26) includes at least one footplate (32) on the outer end (30), and further includes a central portion (38) extending between the footplate (32) and the inner portion (28). The central portion (38) of each haptic element (26) has a greater resistance to bending in a plane (40-40) generally parallel to an optical axis (OA-OA) of the patient's eye (10) than in a plane (36-36) generally perpendicular to the optical axis (OA-OA). The optical portion (22) and haptic elements (26) are preferably formed of a foldable or compressible material. |
