Abstract: A lens array included in a display switching device according to one or more embodiments may include a portion having a greater average of curvature radii of microlenses at a greater distance from a predetermined lens reference position on a surface of the lens array including the microlenses.

Abstract: The purpose of the present invention is to provide a therapeutic agent for dilated cardiomyopathy disease which produces excellent effects in the treatment of dilated cardiomyopathy (DCM) and provides a given benefit to a large number of patients. The present invention is a therapeutic agent for dilated cardiomyopathy comprising at least one selected from the group consisting of mesenchymal stem cell and microparticles derived from the mesenchymal stem cell. It is preferable that the mesenchymal stem cell is a cell having the ability to contain or secrete microparticles, that the microparticles have an average particle size of 1000 nm or less, and that they are exosomes.

Abstract: An object of the present invention is to provide a method for producing a therapeutic agent for liver diseases containing stromal cells derived from adipose tissue, which is excellent in convenience in preparation of a therapeutic agent while maintaining an excellent therapeutic effect on the stromal cells derived from adipose tissue against liver diseases, and a therapeutic agent for liver diseases obtained by such a producing method. The present invention is directed to a therapeutic agent for liver diseases containing stromal cells derived from adipose tissue which has been subjected to both cryopreservation and thawing at least twice.