Our Doctors
We offer a wide range of services to meet your eye health needs. Whether you need eyeglasses, a comprehensive eye exam, or surgery, our team of experts is here to help.
Our Ophthalmologists
Please note our ophthalmologists perform medical and surgical evaluations and DO NOT write prescriptions for glasses or contact lenses. Please book an appointment with one of our optometrists (see below), for this service.
Education
Dr. Ivan P. Hwang graduated with Phi Beta Kappa honors form the University of California at Berkeley. He attended the University of Chicago Pritzker School of Medicine and completed his ophthalmology training at the John Moran Eye Center, University of Utah Medical Center. He then completed his Oculoplastic fellowship training with Dr. David R. Jordan at the University of Ottawa.
In the past, Dr. Hwang taught at the California Pacific Medical Center and at the University of California at Berkeley as Assistant Clinical Professor of Ophthalmology in the field of Oculoplastics. Dr. Hwang has also served as Chief of Ophthalmology at John Muir Medical Center and as past President of East Bay Ophthalmology Society. Currently, he serves to provide Oculoplastic Trauma services for the John Muir Medical service at the Walnut Creek Campus.
Ivan Hwang, M.D
Dr. Ivan Hwang is an ophthalmologist and a renowned specialist in oculoplastics, with over 30 years of experience in the medical field. Dr. Hwang's practice philosophy centers around personalized patient care, combining his expertise in ophthalmology and oculoplastics to achieve optimal functional and aesthetic outcomes. He is particularly passionate about minimally invasive techniques that ensure minimal discomfort and recovery time for his patients.
A significant part of Dr. Hwang's career is also his commitment to international vision care in Africa. He has a deep passion for volunteering and involvement in International Vision Volunteers with his wife Yenjean. Together they go several times a year to Zambia, providing critical ophthalmic services to underserved communities.
Outside of his clinical and volunteer work, Dr. Hwang enjoys spending time with his family, kayaking, and acquiring diesel cars.
OCULOPLASTIC SURGERY
Dr. Hwang Believes in anatomy-based reconstructive surgery of the eyelids and face. His philosophy is to reconstruct the anatomy of the upper eyelids and lower eyelids. Mid face, brows, and forehead according to patient’s original anatomy. He believes that the optimal cosmetic and reconstructive result is obtained from this philosophical approach.
Dr Hwang offers ophthalmic reconstructive and cosmetic procedures of the eyelids, orbit, and face. He offers medical and surgical treatment of conditions such as, nasal lacrimal duct obstruction (blocked tear duct condition causing constant tearing), ptosis (droopy eyelids), orbital fractures, thyroid associated orbitopathy, essential blepharospasm, and other oculoplastic related conditions.
Education
Undergraduate: UC Berkeley
Medical School: Tulane University School of Medicine
Residency: Tulane University School of Medicine
Fellowship: USC Keck School of Medici
Board Eligible:
American Board of Ophthalmology
Memberships:
American Academy of Ophthalmology
American Glaucoma Society
Dr. Alexander Wang
Dr. Alexander Wang is an ophthalmologist who specializes in the medical and surgical management of glaucoma. He offers a full spectrum of treatment options, including the latest surgical techniques and technologies, with a focus on delivering thoughtful, individualized care.
Dr. Wang is committed to building strong relationships with his patients through clear communication and a compassionate, collaborative approach. He believes that understanding a patient's goals and concerns is essential to achieving the best outcomes. During residency, he found particular fulfillment in teaching and mentoring junior trainees—a reflection of his dedication to education and teamwork within the medical community.
He is a member of the American Academy of Ophthalmology and the American Glaucoma Society and regularly participates in national meetings to stay current with the latest advances in glaucoma care. His work has been recognized with awards for outstanding resident research during his training.
Dr. Wang has long been drawn to service-oriented care and has worked in clinical settings that serve diverse communities. He looks forward to expanding this commitment internationally by providing eye care and glaucoma treatment through global outreach efforts, including the International Vision Volunteers’ clinic in Zambia.
Outside of medicine, Dr. Wang enjoys playing soccer and tennis, snowboarding, trying new recipes, and exploring new hobbies like pickleball and golf. He’s also a music enthusiast who loves discovering new artists and attending live concerts whenever he can.
Our Optometrists
Dr. Theresa Ai Nguyen, O.D.
Dr. Theresa Ai Nguyen earned her Doctor of Optometry degree from Pennsylvania College of Optometry, and has been providing comprehensive eye care for patients for over 20+ years.
She is highly experienced in providing comprehensive primary eye care, urgent eye care, and pre- and post-operative care to patients with diverse eye- health needs. She is certified to treat glaucoma and collaborates with our ophthalmologists for long-term planning and care. An experienced medical Optometrist, she is trained and experienced in treating many ocular diseases. She is also certified to prescribe therapeutic treatments with pharmaceutical agents. Her optometric specialities include treating and managing symptoms associated with computer eye syndrome, fitting soft and specialty contact lenses including RGPs.
Dr. Nguyen approaches patient care with her personable disposition, patience, compassion and enthusiasm. She speaks fluent English and Vietnamese (her native language), as well as some Spanish.
On weekends, Dr. Nguyen teaches catechism and Vietnamese classes for Vietnamese-American children at a local church. She also likes to travel and exercises regularly to stay fit.
Dr. David Huff, O.D.
Dr. David Huff was raised in Visalia California and graduated with a Bachelor of Science degree in Biology from California Polytechnic University, San Luis Obispo. He received his Doctorate of Optometry form Southern California College of Optometry in Fullerton. He completed his training though rotations at the VA in Los Angeles, University Eye Center at Los Angeles, and SCCO Low Vision Clinic.
After graduation Dr. Huff joined California Eye Clinic in 2005. His top priority is to provide comprehensive eye exams for the whole family. His clinical experience includes contact lenses, ocular disease management, and providing care for cataracts, glaucoma, diabetic retinopathy, and macular degeneration.
Outside the office Dr. Huff enjoys spending time skiing in Lake Tahoe, hiking at Contra Loma, and golfing.
Dr. Meng Lee, O.D.
Dr. Meng Lee is a glaucoma certified optometrist trained to detect and manage macular degeneration, diabetic retinopathy, cataracts, child vision development issues, and other eye diseases. He earned his Optometric Doctorate from The New England College of Optometry in 2008 and went on to complete an Ocular Disease Residency through the VA Hospital in Boston. Dr. Lee can provide general eye and contact lens examinations to patients of all ages from pediatrics to geriatrics. He also does fit specialty contact lenses for various corneal diseases to help improve and maintain vision.
He was raised in the Bay Area and enjoys practicing in the East Bay. Most importantly, Dr. Lee tries to spend his free time with his wife and three children.
Dr. Frances Ong and Dr. Elisha Garg are no longer practicing at California Eye Clinic as of October 2026.
To schedule your next appointment or to transition your care to another physician within our practice, please contact us. We are here to ensure your eyecare needs continue to be met seamlessly.