AT LISA tri 839MP, Carl Zeiss Meditec

Study finds advantages using trifocal IOL to correct presbyopiaA 4-year study following trifocal IOL implantation (AT LISA tri 839MP, Carl Zeiss Meditec) found that the lens provided good distance, near, and intermediate visual acuity. The lens also improved patient quality of vision with better diffraction and less reduction in contrast sensitivity.