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