If the basic concept that impairment in aqueous humor outflow results in elevation of the IOP is a central tenet of glaucoma pathology and treatment; what three facts should all ophthalmologists know about aqueous humor dynamics?  Dr. Ike Ahmed and Professor Gus Gazzard sit down with Professor Carl Sheridan to answer this question. They highlight the clinical implications of understanding these dynamics while emphasizing the importance of early intervention and tissue preservation.