Dr. Archana Gupta is a board-certified ophthalmologist. She concentrates on cataract, cornea, external diseases, and refractive surgery. Dr. Marvin E. Greenberg is an ophthalmologist in Tamarac, Florida, and also is affiliated with University Hospital as well as Medical Center. He obtained his medical degree from the University of Miami School of Medicine and has been in practice for more than 20 years.