The invention relates to a cassette (6) for housing an intraocular lens (14), which comprises a base part (36) on which pivotable cover flaps (19, 20) are arranged with respect to the base part (36) about the longitudinal axis (A) of the cassette (6). Said cover flaps (19, 20) are curved at least in sections, in particular in the base position of arc-shaped flap sections (42, 47) and can fold into themselves in a defined and autonomous manner (when closing), when closing the cover flaps (19, 20). The invention also relates to an injector device (1) for introducing an intraocular lens (14) into an eye, comprising a cassette (6). The invention also relates to a method for pre-folding an intraocular lens (14) in a cassette (6).
