Abstract: The invention concerns a method and a lens injection insert for inserting a flexible lens into a lens injection device which has a body with a receiving means and a lens injection insert which can be inserted into the receiving means, with a storage space for lens storage, wherein the storage space is defined by mutually movable side walls of the lens injection insert, by which the volume of the storage space is variable between a transport volume for transporting the lens in a transport position in which the lens is stored in the storage space in positively locking and/or force-locking relationship and a readiness volume for readying the lens in a readiness position in which the lens can be pushed out of the storage space for injection into an eye.