Our Physicians

We look forward to helping you see, look and feel your best.

Dr. Irene Fong Sasaki, M.D.

Dr. Irene Fong Sasaki is a caring and highly skilled, board-certified surgeon who specializes in Cataract and Glaucoma Surgery.  She has practiced in Long Beach since 1995 and has built her practice through word of mouth referrals from satisfied patients and referring physicians.  Dr. Sasaki loves to care for people and is dedicated to providing her patients with the highest quality eye care. 

Dr. Sasaki is a native Angelino and received her undergraduate degree from the University of California at Berkeley.  She earned her medical degree at the Medical College of Pennsylvania and then completed her internship at California Pacific Medical Center in San Francisco and a residency in ophthalmology at King Drew Medical Center.  Dr. Sasaki wanted to increase her ability to diagnose and treat glaucoma and went on to pursue more extensive training by completing a fellowship in glaucoma at the Jules Stein Eye Institute at UCLA. 

She is Board Certified and is current with new advances in sutureless, microincisional cataract surgery and minimally invasive glaucoma surgery.  She has expertise with premium lens implants including toric, multifocal and accommodating intraocular lens implants for patients who want to reduce their dependence on glasses after cataract surgery.

Dr. Sasaki is dedicated to investing in our communities.  She volunteers and supports numerous organizations that promote women’s issues, youth sports and public education.  Dr. Sasaki, her husband Ned, and their three sons, Matt, Kevin and Will are all baseball fans.  Their home team is the Los Angeles Dodgers.  She enjoys cooking, exploring new cuisines, traveling and sharing time with her family.   

Dr. Audrey Mok, M.D.

Dr. Audrey Mok is a board-certified ophthalmologist whose clinical and surgical expertise is focused on Oculoplastics and Neuro-ophthalmology. She strives to bring her patients excellent and compassionate care.

Dr. Mok’s initial exposure to eye care started when she was a young child, when she realized that she could “actually see the leaves on the trees” after obtaining her first pair of glasses. She grew up locally in Southern California, attending St. Joseph High School in Lakewood. She began to think about a career in medicine during this time and during her undergraduate studies at UCLA, where she graduated cum laude with a B.S. in Psychobiology. Dr. Mok attended medical school at Georgetown University, and then decided to return to California to complete an internship in Internal Medicine at Cedars-Sinai Medical Center.

She then moved to Chicago to train at the University of Illinois Eye and Ear Infirmary for her ophthalmology residency. During that time, she realized that she wished to specialize even further, and continued training at the University of California, Irvine, to complete a fellowship in Oculoplastics and Neuro-ophthalmology. During her fellowship, she gained additional experience in medical and surgical treatments for patients with eyelid disorders, eyelid reconstruction, thyroid disease, strokes, and other neurological conditions which can affect eyesight. Dr. Mok also performs cosmetic procedures such as upper and lower eyelid blepharoplasty (eyelid surgery), and is skilled in the use of Botox and Xeomin for both cosmetic and medical (i.e. for eyelid and facial spasms). She has extensive experience in injecting soft-tissue fillers such as Restylane, Juvederm, Radiesse,and Sculptra. She has presented posters and papers at international ophthalmological meetings, and since joining Eye Treatment Center in 2005 she has served as a primary or sub-investigator in multiple cutting-edge clinical research trials.

Dr. Mok was eager to return to the Southern California community that she grew up in, and is committed to her patients and to the area. In her current practice, she is also a skilled cataract surgeon well-versed in pterygium, small-incision and laser cataract surgery and premium intraocular lens technology. Dr. Mok has been named by her peers to the Super Doctors® Rising Stars list in the past, and to Los Angeles Magazine’s Top Doctors list for 2018. In the past, she has served as Chair for the Department of Ophthalmology at Long Beach Memorial Medical Center. She enjoys spending time with her husband and their two sons, traveling, running, and reading.

Dr. Hans Steinmann, O.D.

Dr. Hans Steimann is an optometrist licensed by the California State Board of Optometry with certification in Therapeutic Pharmaceutical Agents. He has been in practice since 2007. He is committed to assisting his patients with kindness and delivering the most comprehensive, up to date medical care available.

As an Orange County native, Dr. Steimann attained his undergraduate education from Chapman University where he graduated magna cum laude with a B.S. in Biology. He obtained his medical training at the Southern California College of Optometry. During his internships Dr. Steimann spent time training at the Eye Care Center in Fullerton, the Wellish Vision Institute in Las Vegas, Nevada, the Barnet Dulaney Perkins Eye Center in Phoenix, Arizona, as well as the US Naval Hospital Yokosuka, Japan.

His areas of expertise include family practice vision and health exams, contact lens fittings, children’s exams, vision therapy, ocular disease, and low vision consultation. He is also active in co-managing patients with LASIK eye surgery, cataract surgery, glaucoma, and dry eye.

In order for his patients to see as clearly as possible, Dr. Steimann specializes in using the latest, most precise vision technology available. Utilizing the i-Profiler by Zeiss he has the ability to prescribe and fit custom “High-Definition” spectacle lenses, allowing patients to see sharper and clearer than ever before. He is also highly experienced in fitting the most technologically advanced contact lenses to allow his patients to have the best vision, comfort, and health with their lenses.

Growing up in southern California, Dr. Steimann has been active in swimming and water polo though a collegiate level and continues to play today. During his undergraduate and optometry school, Dr. Steimann worked as a high fashion model for designers like Abercrombie & Fitch, Prada, Versace, among numerous others, walking the runways of Milan, Paris, and Munich. Dr. Steimann has a passion for design and fashion and in 2007 started his own jewelry company designing and creating his own collection, which he still actively engaged in. He is also an auto enthusiast and has a passion for owning, driving and enjoying cars of all kinds. Dr. Steimann loves to travel, attend live theater, spend time with loved ones, and truly has a zest for life.

Dr. Jill Smittle, O.D.

Dr. Jill Smittle is an optometrist who has been practicing in the Long Beach and South Bay areas since 1989. She has been licensed by the California State Board of Optometry with certification in Therapeutic Pharmaceutical Agents.  She enjoys working with patients of all ages and making sure they see the world clearly with glasses, contact lenses or after surgery.

Dr. Smittle was raised in Torrance and obtained her B.S. in Biology from C.S.U.L.B. where she graduated with honors. She continued her education at Southern California College of Optometry in Fullerton and completed internships at the Center for the Partially Sighted in Los Angeles, the Veteran’s Administration Clinics in Sepulveda, California and Las Vegas, Nevada and the Eye Care Center in Fullerton, Calif.

Dr. Smittle has extensive experience in helping children and adults including seniors through comprehensive eye health exams, contact lens fitting and co-managing patients after LASIK and cataract surgeries. She and her husband, Mark, have five children and live in Long Beach. She enjoys teaching children both at home and at her church, where she is an active member. Her family enjoys spending time together, travelling or watching their favorite team, the Los Angeles Dodgers.

Dr. May Chan

Dr. May Chan is a Southern California native who is excited to return to her hometown to serve patients. She was born and raised in Long Beach where she attended Poly High School. Dr. Chan then attended UCLA for her undergraduate studies, where she earned a BA in Psychology. Her interest in Optometry developed during her time at UCLA, while she was volunteering with a local optometrist. She had the opportunity to participate in mission trips in West Hollywood and Mexico, and enjoyed the positive impact one could make on improving vision and providing quality eye care.

Inspired by these experiences, Dr. Chan decided on a career in Optometry, and earned her doctorate degree from Western University of Health Sciences. During her training, she was exposed to a variety of ocular issues as she completed internships at the Eye Care Center in Pomona, Jackson Vision Clinic in Seattle, Veteran’s Affairs in Tennessee, Hu Hu Kam Indian Health, and Family Optometry in Arizona.

After completing her optometry degree, Dr. Chan joined a community health center in Ventura, where she has cared for patients for the last few years. She recently moved back to Long Beach, and looks forward to growing her optometric practice here. She is licensed by the California Board of Optometry and is a member of the California Optometric Association as well as the American Optometric Association. She is a considerate and compassionate optometrist who strives to provide excellent eye care to her patients. In her free time, she enjoys traveling, exploring new restaurants, and spending time with her friends and family.

Dr. Merrill Knopf, M.D. , Retired

Dr. Knopf was born in the Bronx of New York City and received his education from Loyola College and the University of Maryland School of Medicine where he was elected to Alpha Omega Alpha (AOA). Dr. Knopf completed an internship at the University of Pennsylvania and an ophthalmology residency at the Kresge Eye Institute where he served as chief resident.

After his formal training, Dr. Knopf spent two years as a commissioned officer in the United States Public Health Service. He spent two years in rural Mississippi, in an area with a population of 400,000 and only three ophthalmologists and developed a program there to provide cataract surgery and glaucoma treatment to this population. He also worked in the Governor of Mississippi's Office of Comprehensive Health Care Planning.

Following his service in Mississippi, Dr. Knopf moved to Long Beach, California in 1969 where he took over a long-established practice that eventually became the current Eye Treatment Center. Dr. Knopf has participated in numerous community and medical organizations including President of the Library Associates at Cal State University at Long Beach, officer in the Long Beach Medical Society, board member of the California Association of Ophthalmology and Chief of Staff at St. Mary's Medical Center. He is board-certified and practices medical ophthalmology.

Dr. Merrill Knopf and his wife Shirley love traveling and adventure and have been able to visit most parts of the world. They have rafted the Colorado River, boated in the Bolivian Amazon, and hiked in Nepal, Peru, the Amazon, and the Sierras.

Dr. Leland M. Garrison, M.D., Retired

A Long Beach, California native, Dr. Garrison completed his undergraduate studies at Stanford University and attended medical school at the University of Maryland School of Medicine in Baltimore, where he was elected Alpha Omega Alpha (AOA). His internship was completed at Harbor UCLA followed by a residency in ophthalmology at UCLA, where he was a member of the first graduating class from the Jules Stein Eye Institute.

As a Clinical Professor of Ophthalmology at the Jules Stein Eye Institute, Dr. Garrison has taught Ophthalmology to UCLA residents and medical students since 1968. His career is also notable for a long-standing interest in teaching cataract surgery. From 1980-1992 he served as an instructor at the Sinskey Course in Phacoemulsification and Lens Implantation in Santa Monica and at the Swedish Hospital Phaco and IOL Course in Seattle.

In 1967, he opened a private practice in Belmont Shores, Long Beach. After more than 25 years, he closed the Belmont Shores office and moved to the Eye Treatment Center in 1991. He is a Board-Certified Fellow in Ophthalmology.

Dr. Garrison has donated hundreds of hours to international teaching and surgical missions. He has made numerous trips with SEE International to Mexico, teaching surgical technique and restoring vision to countless under-privileged patients from 1978-1984. He traveled to China in 1981 with the Team for International Eye Surgery, Inc. (TIES) to provide medical lectures and teach surgical techniques in cataract surgery and helped to introduce laser surgery and glaucoma surgery into China. He was honored in 1988 for pioneering cataract techniques and foldable implants at the 4th Congress of the Chinese Society of Ophthalmology.

"Having witnessed numerous advances in ophthalmology that have occurred during my time in practice, I feel that I have had an exhilarating experience partaking in the revolution in cataract surgery and in the evolution of glaucoma care during my years in practice. I have left my surgical practice of ophthalmology to my current colleagues, Dr. Irene Sasaki and Dr. Audrey Mok. I now enjoy spending my time in my clinical practice as a medical ophthalmologist with an emphasis on treating glaucoma."