The Background Over the last several years, research has indicated a strong correlation between the presence of Obstructive Sleep Apnea (OSA) and glaucoma. Information from some of these pivotal studies is presented below. Did you know Glaucoma affects over 60 million people worldwide and almost 3 million people in the U.S. There are many people who have glaucoma but have not yet had it diagnosed. Glaucoma is a leading cause of blindness in the United States.  If glaucoma is....