GUADALAJARA, México-Sept. 23, 2019 – -- Costas Inc. (OTC: CSSI) DBA Atlas Nanotech adds another unique nanotechnology medical product to its portfolio. Today CEO Dr. Julio Riestra announced the completion of development of the first-ever nanotechnology vitamin A (retinol) based crystalline eye drop. The product to be sold under the trade name “NANO CLEAR A” will compete with products in the treatment of dry eye disease, a $1.8-billion market in the U.S. The development represents the...