Dr. Freedman is an expert in glaucoma and corneal disease. He has played an important role in the Ophthalmology Department as a former director of the glaucoma subspecialty program. He continues to teach part-time while conducting a private practice. Dr. Freedman earlier helped pioneer the use of implantable devices for the treatment of glaucoma, and this remains a primary focus of his clinical practice and research. His current research projects include studies to identify the most effective anti-fibrosis medications to improve outcomes following glaucoma surgery, as well as work attempting to define factors contributing to the development of glaucoma by individuals who have undergone corneal transplantation.