Ophthalmologists Dr. Mangers & Dr. S. Corwin

Steven Corwin, M.D.

Steven Corwin, M.D.Dr. Steven Corwin comes to Conejo-Simi Eye Medical Group with extensive experience, having spent the last 27 years as an Ophthalmologist and eye surgeon in Atlanta, Georgia. Born in New Jersey, he graduated from Lehigh University and earned his medical degree from the Medical College of Pennsylvania. Dr. Corwin then completed his Ophthalmology residency at Yale University and did further fellowship training in Cornea at the New York Eye and Ear Infirmary. Later he was trained in LASIK eye surgery at Emory University.

Today, through LASIK and no stitch, no patch, laser cataract surgery he has improved the vision of thousands of patients and helped them stay active in the sports and hobbies they love. In addition to having had LASIK himself, Dr. Corwin is a dry eye sufferer. He therefore has a special interest in helping others who also have this condition.

Services Dr. Corwin Provides Include:

  • Comprehensive eye exams
  • Dry Eye specialist
  • Corneal disease treatment
  • No stitch, no patch, laser cataract and lens implant surgery
  • LASIK, PRK and refractive surgery
  • Corneal transplant
  • Pterygium surgery
  • Glaucoma management


  • Board Certified by the American Academy of Ophthalmology

Professional Memberships:

  • American Academy of Ophthalmology
  • American Society of Cataract and Refractive Surgery

Charitable Organizations:

  • Former Board Member Prevent Blindness Georgia
  • Ophthalmologist Volunteer, Georgia Lions Lighthouse Foundation
  • Member Ophthalmologist, Research to Prevent Blindness

Shayna Mangers, M.D.Shayna J. Aberle Mangers, M.D. earned her medical degree from the University of Illinois College of Medicine in 2003. In addition to graduating with honors, she was named to Alpha Omega Alpha, the national Honor Medical Society. She also received the Merck Award for Excellence in Surgery. Her internship was fulfilled at the University of Illinois College of Medicine/St. Francis Medical Center in Peoria, Illinois. She completed her residency in ophthalmology, as well as her glaucoma fellowship, at Washington University in St. Louis, Missouri.

She specializes in medical, laser, and surgical treatment of glaucoma and also provides comprehensive ophthalmic services for adolescents and adults.

Research presentations:

  • Mangers S, Kramer B, Holekamp N, Shui Y-B, Beebe D. Oxygen consumption by human vitreous humor. Poster presentation, ARVO 5/2006.
  • Mangers S, Harvey R, Aldag J, Dorsch J, Aiyer M, Novotny N. Impact of personal digital assistant use on internal medicine residents’ clinical knowledge. Poster presentation, 114th AAMC Annual Meeting 11/2003; Annual Resident Research Day OSF St Francis Medical Center 5/2004.

Hospital Affiliations:

  • Community Memorial Hospital
  • Ventura County Medical Center

Professional memberships:

  • American Academy of Ophthalmology
  • American Glaucoma Society
  • Alpha Omega Alpha Honor Medical Society