| 摘要 |
A two-optic accommodative lens system (10) is provided. The first lens (12) has a negative power and is located posteriorly within the capsular bag and lying against the posterior capsule. The periphery of the first lens is attached to a ring-like structure (16) having a sidewall (28). The second lens (14) is located anteriorly to the first lens within the capsular bag and is of positive power. The peripheral edge of the second lens contains a plurality of haptics (20) that are arranged in a spiral pattern and project posteriorly from the second lens and toward the first lens. The haptics arc relatively firm, yet still flexible and ride within the sidewall (28) of the ring-like structure, so that flattening or steepening of the capsule in reaction to movement of the ciliary muscle and corresponding shrinkage of the capsular bag causes the second lens to move along the optical axis (22) of the lens system. |
