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Our Doctors

Dr. Mark SImpsons
Alan I. Mandelberg, M.D.


View Dr. Mandelberg’s Curriculum Vitae

Alan I. Mandelberg, M.D.

Dr. Alan Mandelberg specializes in the following:

  • Cataract Surgery
  • Laser Vision Correction (LASIK) and other Laser Surgeries
  • Corneal Surgery
  • Glaucoma
  • Certified Bifocal & Accommodating Lens Surgeon

Dr. Mandelberg is an Associate Professor of Ophthalmology at Los Angeles County/USC Medical Center where he teaches cataract and corneal surgery.

Dr. Mandelberg is a member of the American Academy of Ophthalmology, California Medical Association, Los Angeles County Medical Association, as well as, American Society of Cataract and Refractive Surgery.

In 1976, he became fellow in Cataract, Cornea and Refractive Surgery with renowned corneal specialist James Aquavella, M.D., Professor at the University of Rochester Eye Institute. Dr. Mandelberg was one of the first certified ophthalmologists in Southern California in Accomodating Intraocular Lens Implantation.

Dr. Mandelberg has also appeared as a medical eye expert on various local and national television programs and has lectured nationally and internationally at medical seminars and conferences.

Dana Tannenbaum, M.D.

Dr. Dana Tannenbaum specializes in the following:

  • Glaucoma Diagnosis & Treatment
  • Cataract Surgery

Dr. Dana Tannenbaum has a thriving Glaucoma practice at A Center for VisionCare. She is frequently called upon to present lectures on glaucoma to physicians as well as educational seminars to her patients & the public. She is also called upon to offer her expertise as an expert witness on Ophthalmology issues.

Dr. Tannenbaum completed medical school at McGill University in her hometown of Montreal, Canada. This was followed by ophthalmology residency training at the University of California, San Diego and glaucoma fellowship at the Jules Stein Eye Institute. She is a member of the American Academy of Ophthalmology, American Glaucoma Society and American Society of Cataract and Refractive Surgery.

Dr. Tannenbaum is a leading researcher on the newest techniques for imaging the optic nerve for early diagnosis of glaucoma. She has published extensively and has won numerous awards for her work in this area.

Dr. Mark SImpsons
Mario A. Meallet, M.D.


View Dr. Meallet’s Curriculum Vitae

Mario A. Meallet, M.D.

Dr. Mario Meallet specializes in the following:

  • Cataract Surgery
  • Corneal Surgery including DSEK & INTACS corneal implants
  • Glaucoma
  • Laser Vision Correction (LASIK) and other lasers
  • Pterygium surgery and ocular surface reconstruction using amniotic membrane

Dr. Meallet is an Assistant Clinical Professor of Ophthalmology at Los Angeles County/USC Medical Center, where he teaches cataract and corneal surgery.

He is a member of the American Academy of Ophthalmology and the American Society of Cataract and Refractive Surgery.

Dr. Meallet received his medical degree from Harvard Medical School and completed his ophthalmology residency at the Doheny Eye Institute/LA County/USC Medical Center. He completed his fellowship in cornea/external disease at the prestigious Bascom Palmer Eye Institute in Miami.

Following his fellowship, he joined the faculty at the Doheny Eye Institute. During his six years at the institute he gained extensive experience in cataract and corneal surgery, as well as medical and surgical management of glaucoma.

Dr. Meallet specializes in cornea, cataract and refractive surgery, including endothelial keratoplasty (DSEK) for patients with corneal edema and Fuch’s dystrophy. He also specializes in diagnosis and management of keratoconus, including INTACS corneal implants.

Dr. Meallet has lectured and taught in numerous surgical courses. He has also published in textbooks on cataract surgery.

Dr. Mark SImpsons
Lynn L. Huang, M.D., M.P.H.

Lynn L. Huang, M.D., M.P.H.

Dr. Lynn Huang specializes in the following:

  • Vitreo-Retinal Surgery
  • Medical Retina
  • Uveitis
  • Ocular Trauma

Dr. Lynn Huang is a highly skilled physician-surgeon specializing in pediatric and adult diseases of the macula, retina, and vitreous.

She is a member of American Academy of Ophthalmology, American Society of Retina Specialists, Association of Research in Vision and Ophthalmology, and Women in Ophthalmology.

Dr. Huang graduated magna cum laude and Phi Beta Kappa from UCLA with a Bachelor’s degree in Science. She attended the UCLA School of Medicine where she was awarded the California Endowment Scholarship for academic excellence and community service.

She completed her residency in ophthalmology at Albert Einstein College of Medicine/Montefiore Medical Center in New York.

She also finished a prestigious fellowship in vitreo-retinal surgery at the Massachusetts Eye and Ear Infirmary/Harvard Medical School in Boston, MA.

Dr. Huang also holds a Master’s Degree in Health Management and Policy from the Harvard School of Public Health.

Dr. Joseph Davidson
Joseph Davidson, MD, FRCSC, FACS


View Dr. Joseph’s, Curriculum Vitae

Joseph Davidson, MD, FRCSC, FACS

Dr. Davidson specializes in:

  • Eyelid Surgery
  • Removal of Bumps, Spots & Cancers
  • Eye Socket Surgery
  • Watery Eye Correction

Dr. Davidson is a board certified ophthalmologist and ophthalmic plastic and reconstructive surgeon. He completed three sub-specialty fellowships (medicine’s highest form of formal education). He distinguished himself at several of North America’s most prestigious institutions, including Harvard University, Georgetown University, McGill University, and the Armed Forces Institute of Pathology.

Dr. Davidson has over 20 years of experience, specializing exclusively in cosmetic and noncosmetic surgery of the eyes and upper face. He has performed tens of thousands of successful surgeries.

In addition to experience handling unique and difficult situations, Dr. Davidson continues to perfect new techniques. These include new procedures for watery eye correction and cosmetic eyebrow lifting with quick recovery and minimal downtime.

Dr. Davidson grew up in the Pasadena area. In his free time, he enjoys traveling, computer programming, walking and reading.

Dr. Sophia Liem
Dr. Sophia Liem O.D


Sophia Liem, O.D

Dr. Sophia Liem provides services in the following:

  • Comprehensive/Vision Exams
  • Standard and Specialty Contact Lenses
  • Pediatric Eye Exams
  • Diabetic Eye Exams
  • Dry Eye Evaluations
  • LASIK Evaluations

Dr. Sophia Liem is a board-certified optometrist who is trained in treatment of management of eye diseases such as cataract, glaucoma, and macular degeneration. She provides thorough vision exams with the latest technology and has extensive training in specialty contact lenses, pediatrics, and pre- operative and post-operative care of patients. Dr. Liem works very closely with the other doctors at ACVC for surgical management of patients. She is a member of the American Optometric Association and the California Optometric Association.

Dr. Liem earned a Bachelor of Science degree in Psychobiology from University of California, Los Angeles (UCLA). She continued her graduate school training at the Southern California College of Optometry (SCCO) at Marshall B. Ketchum University where she earned her Doctor of Optometry. She completed her externship at the University Eye Clinic in Orange County, New Eyes Ophthalmology in Las Vegas, Southern Arizona Veteran’s Affair Hospital, and Richlin Eye Associates in Beverly Hills.

Dr. Liem has done research and published papers on color vision. She has volunteered for the UCLA Jules Stein Institute Mobile Eye Clinic. In her free time, she enjoys traveling, cooking, and spending time with
her family, friends and dog.