STAAR Surgical Company STAAR (NASDAQ: STAA) Gain 17% as FDA Approves Implantable Lenses EVO for Myopia STAAR Surgical Company (NASDAQ: STAA) confirmed that FDA has awarded authorization to the EVO/EVO+ Visian Implantable Collamer Lens (EVO) for the treatment of myopia and myopia with astigmatism. Myopia,