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Formerly Affiliated Physicians

Dr. Daniel Agarwal

Dr. Daniel AgarwalDaniel Agarwal, M.D., Dr. Daniel Agarwal is a board-certified ophthalmologist with a specialization in medical and surgical diseases of the retina and vitreous. He received his Bachelor of Science in cell and molecular biology from Duke University, where he graduated magna cum laude and with Phi Beta Kappa honors. He earned his Medical Degree from Weill Cornell Medical College, graduating with Honors in Research. Dr. Agarwal went on to complete his internship at Olive View-UCLA Medical Center in Sylmar, CA and residency in ophthalmology at the University of Arizona. Thereafter, he completed a fellowship in medical retina and uveitis at the Cleveland Clinic Cole Eye Institute and a two-year fellowship in vitreoretinal surgery and medical diseases of the retina at Yale University.

Dr. Agarwal is Board certified by the American Board of Ophthalmology. He is a member of the American Academy of Ophthalmology and the American Society of Retina Specialists. Dr. Agarwal has been involved in numerous research projects including vitreous disorders, diabetic retinopathy, fluorescein angiography, panretinal photocoagulation, endophthalmitis, corneal keloids, idiopathic intracranial hypertension, and glaucomatous optic neuropathy. He has received grants from the American Federation on Aging, Cleveland Clinic, and Yale University to conduct and present his research. Dr. Agarwal has several peer reviewed publications and has presented at many national and international conferences.

A native of Thousand Oaks, Dr. Agarwal enjoys walking on Zuma beach, hiking local trails, watching Dodger baseball, and traveling with his family.

Dr. Adam Martidis

Dr Adam Martidis | Ophthalmologist Ventura CA | Oxnard CA | Thousand Oaks CAAdam Martidis, M.D. earned his medical degree at the University of Pittsburgh. Following graduation, he completed a residency at Indiana University where he served as chief resident in his final year. During his residency, he earned the Grayson Leadership Award, an honor given to only three prior graduating residents in the history of the training program. He was also awarded a vitreoretinal fellowship at the New England Eye Center in Boston. Upon completion of this two-year fellowship, he accepted an academic position at Wills Eye Hospital in Philadelphia, an internationally recognized eye institution. Here, Dr. Martidis trained numerous residents and retina fellows in surgical and medical retinal diseases in one of the largest and most highly regarded programs in the nation. He has participated in multiple research studies, including personal projects and national clinical trials.

Dr. Martidis is a Diplomat of the American Board of Ophthalmology, and is a Fellow of the American Academy of Ophthalmology. His professional Memberships include:

  • American Academy of Ophthalmology
  • American Society of Retinal Specialists
  • Retina Society

Dr. Martidis is a pioneer in managing macular edema using an injection of corticosteroid medication into the vitreous cavity. He published the first article on the use of this technique in the management of diabetic macular edema as a complication of diabetic retinopathy. He also has several other publications involving the application of this procedure in various retinal conditions including:

  • Chieh JJ, Roth DB, Liu M, Belmont J, Nelson M, Regillo C, Martidis A. Intravitreal triamcinolone acetonide for diabetic macular edema. Retina. 2005 Oct;25(7):828-34.
  • Weichel ED. Martidis A, Fineman MS, McNamara JA, Park CH, Vander JF, Ho AC, Brown GC. Pars plana vitrectomy versus combined pars plana vitrectomy-scleral buckle for primary repair of pseudophakic retinal detachment. Ophthalmology. 2006 Nov;113(11):2033-40.
  • Martidis A, Duker JS, Greenberg PB, Rogers AH, Puliafito CA, Reichel E, Baumal C. Intravitreal triamcinolone for refractory diabetic macular edema. Ophthalmology 2002 May;109(5):920-7.

Honors & Awards:

  • Achievement Award, American Academy of Ophthalmology
  • Award for Excellence in Research, University of Pittsburgh School of Medicine
  • Distinguished Scholar; NJ Dept. of Higher Education

Dr. Martidis is affiliated with the following hospitals:

  • Community Memorial Hospital
  • Ventura County Hospital

Dr. Kathleen M. Beuttler

Dr Kathleen Beuttler | Ophthalmologist Ventura CA | Oxnard CA | Thousand Oaks CAKathleen M. Beuttler, M.D. earned her M.D. and ScB. degrees from Tulane University - Louisiana State University (LSU) School of Medicine. She completed an internship at Charity Hospital in New Orleans and a residency at LSU Medical Center School of Medicine, where she was Chief Resident of the LSU Eye Center for a year.

Dr. Beuttler is a Diplomate of the American Board of Ophthalmology and is a member of the American Academy of Ophthalmology.

Abstracts & Presentations:

  • Morgan, K.S., Stephenson, G., Beuttler, K.M.: Epikeratophakia in children with unilateral traumatic cataracts. Invest. Ophthalmol. Vis. Sci. (suppl.): 333, 1984.
  • "Epikeratophakia in Children with Unilateral Traumatic Cataracts," Alumni meeting, LSU Eye Center, New Orleans, LA, Oct 1983.
  • "Update on cataract surgery," Santa Paula Hospital, Oct 1985.
  • "Diabetic Retinopathy," Santa Paula Hospital, Feb 1987.
  • "Emergency Ocular Injuries," Santa Paula Hospital, Oct 1990.

Dr. Beuttler is affiliated with the following hospitals:

  • Community Memorial Hospital, Ventura
  • Ventura County Medical Center, Ventura
  • St. John's Regional Medical Center, Oxnard

Dr. Donald A. Frambach

Dr Donald Frambach | Ophthalmologist Ventura CA | Oxnard CA | Thousand Oaks CADonald A. Frambach, M.D. received his medical degree from Stanford University School of Medicine in 1981. He then completed an internship in internal medicine at Kaiser Foundation Hospital in San Francisco, a research fellowship in retinal physiology at the Eye Research Institute of Harvard University in Boston, a residency in ophthalmology at Massachusetts Eye & Ear Infirmary in Boston, and a clinical fellowship in vitreo-retinal surgery at Doheny Eye Institute - University of Southern California.

Dr. Frambach is board-certified by the American Board of Ophthalmology and was awarded honors from the American Academy of Ophthalmology in 1995. He has been the principal investigator and co-investigator of numerous research projects and clinical trials in ophthalmology, techniques and technologies. He is a clinical associate professor of Ophthalmology in the Department of Ophthalmology at the University of Southern California, where he has been teaching since 1987.

Dr. Frambach has written 36 articles for peer-reviewed journals. He has also published 62 abstracts, three book chapters, and several book reviews and letters in professional journals. He is the co-author of Retinal Surgery and Ocular Trauma, a color atlas of ophthalmic surgery. Dr. Frambach is also an ad hoc reviewer for several journals, including the American Journal of Ophthalmology, Archives of Ophthalmology, Current Eye Research, Experimental Eye Research, Investigative Ophthalmology, Ophthalmology, and Retina.

Dr. Frambach's professional memberships include:

  • Association for Research in Vision Ophthalmology
  • American Academy of Ophthalmology (Ophthalmic Technology Assessment Retinal Panel, 1997-2001)
  • International Society for Eye Research
  • American Association for the Advancement of Science
  • American Society of Retinal Specialists (form. Vitreous Society)
  • The Microcirculatory Society, Inc.
  • The Retina Society
  • Schepens International Society
  • The American Diabetes Association

Dr. Frambach is affiliated with the following hospitals:

  • Community Memorial Hospital of Ventura
  • St. John's Regional Medical Center, Oxnard
  • Ventura County Medical Center
  • Doheny Eye Hospital
  • Los Angeles County/USC Medical Center
  • USC/University Hospital
  • Kenneth Norris Jr. Cancer Hospital

Dr. Wanda D. Hu

Dr Wanda Hu | Ophthalmologist Ventura CA | Oxnard CA | Thousand Oaks CAWanda Hu, M.D. was awarded her medical degree in 2009 from the UCSD School of Medicine. After her Internship in Internal Medicine at Kaiser-Los Angeles Medical Center, she completed her Ophthalmology Residency at the Jules Stein Eye Institute, UCLA. She then underwent a Clinical Glaucoma Fellowship training at the Wills Eye Hospital in Philadelphia, PA.

Dr. Hu has authored and co-authored numerous peer-reviewed articles, textbook chapters, and research projects that were presented at annual meetings of national ophthalmological organizations. Dr. Hu specializes in the diagnosis, therapy and surgical intervention of glaucomas and related disorders.

Dr. Hu speaks conversational Spanish and Mandarin Chinese.

Professional memberships:

  • American Academy of Ophthalmology
  • American Glaucoma Society

Board Eligible:

  • American Board of Ophthalmology

Dr. Daniel A. Ebroon

Dr Daniel Ebroon | Ophthalmologist Ventura CA | Oxnard CA | Thousand Oaks CADaniel 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.

Joseph Chen, M.D.

Joseph Chen, M.D. was awarded his Doctorate in Medicine by Baylor College of Medicine, Houston, Texas in 2009. After the completion of his Internship at the University of Texas, Houston, he returned to Baylor College of Medicine to complete his Residency in Ophthalmology.

He then completed a Clinical Fellowship in Glaucoma at the John Moran Eye Center at the University of Utah. He has co-authored several abstracts and has published ophthalmology research papers in journals including the American Journal of Ophthalmology and the Journal of the American Academy of Dermatology.

His specialty skills include the medical, laser and surgical treatment of glaucoma as well as cataract and anterior segment surgery. He has a particular interest in cutting edge surgical and laser management of glaucoma, including minimally invasive glaucoma procedures, trabeculectomy, glaucoma drainage implants, and cyclophotocoagulation procedures. He is happy to share his expertise in glaucoma and cataract care with the Ventura County community.

Dr. Arezu Haghighi

Arezu Haghighi, M.D., received her undergraduate B.S. degree in bioengineering at the University of California Berkeley. She then completed a year of research training at the National Institutes of Health (NIH) in Bethesda, Maryland prior to her medical school training at the prestigious University of California, San Francisco.

After completing her internship in Internal Medicine at Olive View-UCLA Medical Center, she started her Ophthalmology Residency at LAC-USC Medical Center. In her final year she was honored to serve as a co-chief resident for the department.

She then underwent an additional year of sub-specialized training by completing an advanced anterior segment and glaucoma fellowship at the renown Moran Eye Center in Salt Lake City, Utah.

Dr. Haghighi specializes in traditional and innovative glaucoma therapies including trabeculectomy, glaucoma drainage devices, all currently available Minimally Invasive Glaucoma Surgeries (MIGS) as well as routine and complex cataract surgeries (secondary lenses, traumatic cataracts, etc).

Dr. Haghighi has published and presented at national conferences. She is passionate about global health and has completed international projects in Thailand, India, and Iran. She is fluent in conversational Spanish and Farsi.

Dr. Sanket U. Shah

Dr. Sanket U. Shah is a board-certified Ophthalmologist with a specialization in medical and surgical diseases of the retina and the vitreous. He received his medical degree from the Seth G. S. Medical College and King Edward Memorial Hospital in Mumbai, India. He spent two years pursuing a research fellowship in ocular oncology at the Wills Eye Hospital in Philadelphia, PA; and a second research fellowship in retina at the Jules Stein Eye Institute at UCLA in Los Angeles, CA. His training includes an internship in internal medicine at the Albert Einstein College of Medicine – Jacobi Medical Center in Bronx, NY, followed by residency in Ophthalmology at the Indiana University School of Medicine in Indianapolis, IN, where he served as the chief resident and received several awards. He then completed his fellowship training in vitreoretinal surgery and medical diseases of the retina at the prestigious Jules Stein Eye Institute at UCLA in Los Angeles, CA.

Dr. Shah is Board certified by the American Board of Ophthalmology. He is a member of the American Academy of Ophthalmology and the American Society of Retina Specialists. He has served as a co-investigator on several national clinical trials and participated in numerous research projects spanning topics including diabetic retinopathy, vitreoretinal interface abnormalities, macular degeneration, automated retinal image analysis, optical coherence tomography, uveal melanoma, and retinoblastoma. He has received the National Eye Institute travel grant to present his research. He has over 35 peer-reviewed publications in national and international journals, 1 book chapter, and several abstracts, oral, video and poster presentations to his credit. He has served as a reviewer for articles in peer-reviewed journals such as Ophthalmology and the American Journal of Ophthalmology.

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