How bifocal contact lenses work; comparison of translating, concentric and aspheric designs; tips for choosing a bifocal.
— Read on www.allaboutvision.com/contacts/bifocals.htm
President and Social Media Director Larry Dierker Chapter, Houston, TX Society of American Baseball Research (SABR) Faculty Lecturer Department of Management and Leadership, C.T. Bauer College of Business University of Houston
Joe Thompson, PhD. 