A high gain lens system for implant into the capsular bag after removal of the natural crystalline lens. Generally, the atherectomy devices include a handle, a cutter assembly, and a catheter or catheter assembly therebetween. It is then determined whether the first duration has expired in a given processing cycle. Further, the metal in the metal layer is prohibited from diffusing into the semiconductor layer, so that the semiconductor layer does not absorb light. The transmission interval of the EIT is shorter than the transmission interval of the ETT. In the disk cartridge, a cartridge case is divided on its plane into at least a first case portion and a second case portion, and the second case portion is arranged to be slidable relative to the first case portion.