Our Physicians

Dr. William L. Trotter

Dr. William L. Trotter, M.D. | Ventura | Oxnard | Camarillo William L. Trotter, M.D. is trained in general comprehensive ophthalmology with added expertise in cataract and refractive surgery. He is board-certified by the American Board of Ophthalmology, and is a Fellow of the American Academy of Ophthalmology and the American Society of Cataract and Refractive Surgery. He is also a volunteer clinical instructor in Ophthalmology at Jules Stein Eye Institute/UCLA, where he has been responsible for teaching residents new techniques in cataract surgery. He has served on the Medical Executive Committee of Channel Islands Surgicenter since 2003.

Dr. Trotter earned his medical doctorate in 1995 from Boston University School of Medicine in Boston, Massachusetts, after completing a triple-major in Anthropology, Biology and English Literature at Boston University's College of Liberal Arts. His post-graduate training included a preliminary medical internship at Boston University Medical Center; a residency in ophthalmology at Albany Medical Center in Albany, New York; and a general comprehensive ophthalmology fellowship with emphasis on cataract and refractive surgery at Jules Stein Eye Institute/UCLA in Los Angeles, California.

Before coming to Miramar Eye Specialists in 2001, Dr. Trotter practiced general comprehensive ophthalmology at St. Mary's Eye Center in Santa Monica and at Kaiser Permanente in Woodland Hills.

Dr. Trotter is a frequent editorial reviewer for peer-reviewed journals such as Ophthalmology and the Journal of Cataract and Refractive Surgery. He is a clinical investigator in an ongoing FDA phase IIIb trial of a new therapy for Wet Age-Related Macular Degeneration called Lucentis.

His research and publications include:

1999-2000 - Outcomes of Cataract Surgery in Monocular Patients: A Case-Control Study - published in Journal of Cataract & Refractive Surgery August 2002.
1999-2000 - Reduction of Manifest Astigmatism with the Toric Posterior Chamber Intra-ocular lens versus Astigmatic Keratotomy: a comparison study - presented at ASCRS - Boston, May 2000.
1999 - Anterior Capsule Staining for White Cataracts - presentation at Jules Stein Eye Institute, UCLA Annual Cataract Surgery Conference.
1999 - A Revised Nomogram for the Moria LSK one Microkeratome - submitted for publication in Journal of Refractive Surgery.
1999 - Endoscopic CDCR with Jones Tube Placement: A Comparative Study - presented as a poster at the 1999 American Academy of Ophthalmology meeting, published Ophthalmology, June 2000 issue.
1999 - Treatment of Medial Rectus Transection Complicating Functional Endoscopic Sinus Surgery - presented as a poster at 1999 AAPOS meeting, published in Journal of AAPOS August 2000 issue.
1997 - Yearly ophthalmology residency research project investigating the comparative survival of penetrating keratoplasty grafts with placement of a Molteno versus an Ahmed valve for secondary glaucoma.

Hospital Affiliations:

Lynn Eye Surgery Center, Thousand Oaks
Channel Islands Surgicenter, Oxnard
Community Memorial Hospital, Ventura
Ventura County Medical Center, Ventura
St. Johns Regional Medical Center, Oxnard

Services Dr. Trotter provides include:

Comprehensive Ophthalmology (Adult and Adolescent)
No-Stitch Cataract Surgery
Complicated Cataract and Implant Surgery
Glaucoma Medical and Surgical Management
Laser Surgery with the Argon and YAG laser
Pterygium Surgery with Conjunctival Autograft

Dr. Daniel A. Ebroon

Dr. Daniel A. Ebroon, M.D. | Ventura | Oxnard | Camarillo Daniel A. Ebroon, M.D. earned his medical doctorate from Northwestern University Medical School in Chicago, Illinois after graduating in the top 2% of his class at Massachusetts Institute of Technology with a B.S. in molecular biology. Dr. Ebroon completed an internship in transitional medicine and a residency in ophthalmology at Northwestern University Medical School as well as a fellowship in ophthalmic plastic surgery at Manhattan Eye, Ear and Throat Hospital in New York, NY.

Dr. Ebroon is board-certified by the American Board of Ophthalmology. He is affiliated with several professional societies, including the American Society of Ophthalmic Plastic and Reconstructive Surgery and the American Academy of Ophthalmology. He is also a member of Alpha Omega Alpha and Sigma Xi Honor Society.

Dr. Ebroon has published several articles and textbook chapters. He has taught hundreds of hours of lectures to medical students and residents in Los Angeles, Chicago and New York. He was on the Board of Directors at Northwestern Healthcare Alliance for three years and held several faculty positions at Northwestern University, including Clinical Practice Director, Director of the Ophthalmology Residency Program, and Assistant Professor of Ophthalmology. He is currently on the faculty at the Jules Stein Eye Institute at the David Geffen School of Medicine, UCLA.

Dr. Ebroon has attending staff privileges at the following hospitals:

Los Robles Hospital, Thousand Oaks
Community Memorial Hospital, Ventura
Ventura County Medical Center, Ventura

Visit Dr. Ebroon's personal website: www.ebroon.com

Dr. John p. Fang

Dr. JOhn Fang, M.D. | Ventura | Oxnard | Camarillo Dr. John Fang earned his medical degree from Vanderbilt University, after receiving Bachelor of Science degrees in both Biomedical Engineering and Chemical Engineering from Johns Hopkins University, graduating with general and departmental honors. At the Mayo Clinic, he completed an internship in medicine and a residency in ophthalmology, and served as co-chief resident in his final year. A subsequent fellowship in cornea, anterior segment, and refractive surgery at Baylor College of Medicine further refined his surgical skills. Throughout his training, Dr. Fang has received numerous awards including the Gill Scholarship for Ophthalmology Research and the National Eye Institute Fellowship award. He is board-certified by the American Board of Ophthalmology and is a fellow of the American Academy of Ophthalmology. He is also a member of the American Society of Cataract and Refractive Surgery and Tau Beta Pi Engineering Honor Society. Prior to joining Miramar Eye Specialists, Dr. Fang was an attending ophthalmologist at the Dean McGee Eye Institute, the Department of Ophthalmology for the University of Oklahoma, where he helped educate and train new residents and fellows.

Dr. Fang specializes in medical and surgical treatment of diseases affecting the cornea of the eye, cataract and intraocular lens implant surgery, and refractive laser surgery such as LASIK and PRK. He also has a particular interest in cornea transplantation, ocular surface disorders, dry eye syndrome, contact lens intolerance, and surgical correction of myopia, hyperopia, regular and irregular astigmatism. He is delighted to share his expertise in cornea, cataract, and refractive care with the Ventura County community. Dr. Fang speaks Mandarin and Basic Spanish.

Selected publications and presentations include:

Fang JP, Amesur KB, Baratz KH. Pre-existing endothelial abnormalities in bilateral postoperative Descemet membrane detachment. Arch Ophthalmol 2003;121:903-904.
Fang JP, Baratz KH, Hodge DO. Trends in the incidence rate of cataract extraction in Olmsted County, Minnesota. Presented at: Association for Research in Vision and Ophthalmology Annual Meeting. Ft. Lauderdale, FL, May, 2003
Fang JP, Baratz KH. Comparison between fibrin glue and sutures to attach preserved human amniotic membranes to rabbit corneas. Presented at: Association for Research in Vision and Ophthalmology Annual Meeting. Ft. Lauderdale, FL, April, 2004
Fang JP, Hill W, Wang L, Chang V, Koch DD. (2006) Advanced IOL calculations. In: Kohnen T, Koch DD, eds. Cataract and Refractive Surgery. 2nd ed. Berlin, Germany: Springer.
Fang JP, Hamill MB. Early visual results after Descemet’s stripping posterior lamellar keratoplasty for Fuch’s endothelial dystrophy. Presented at: The American Society of Cataract and Refractive Surgery Symposium & Congress. San Francisco, CA, March, 2006
Fang JP, Wang L, Koch DD. Effect of iris registration on visual outcome. Presented at: The American Society of Cataract and Refractive Surgery Symposium & Congress. San Francisco, CA, March, 2006

Dr. Shayna J. Aberle Mangers

Dr. Shayna J. Aberle Mangers, M.D. | Ventura | Oxnard | Camarillo 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

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