Find a Top Ophthalmologist Near Me in Riverside, CA – Book an Appointment Instantly

After many years of dedicated service, Jeannine W. Scheinhorn, MD has decided to embark on a new chapter in life: retirement. We extend our heartfelt congratulations and gratitude for the years of trust and care you've placed in Dr. Scheinhorn.

Dr. Scheinhorn received her Doctor of Medicine from Tulane University in New Orleans, where she was elected to the Alpha Omega Alpha Honor Medical Society. She was also cited by the American Medical Women’s Association for scholastic achievement. She completed her residency in ophthalmology at Louisiana State University Eye Center in New Orleans.

Dr. Scheinhorn has served the community of Glendale and La Canada, California for over 30 years. She was voted Best Ophthalmologist, Glendale in 2017 and 2018. She has also been honored for her dedication and support of Glendale Healthy Kids.

Dr. Barsegian is a board-certified ophthalmologist who is passionate about providing personalized, detail-oriented care for general ophthalmology and glaucoma patients. She is excited to work alongside her outstanding colleagues at Astorino & Associates Eye Center. In addition to providing comprehensive medical and surgical ophthalmological care including pterygium removal and cataract surgery, she specializes in the complete medical and surgical treatment of glaucoma including minimally invasive glaucoma surgery (MIGS), trabeculectomy, and glaucoma tube implant surgery.

Interested in medicine from a young age, Dr. Barsegian was accepted into the prestigious Sophie Davis School of Biomedical Education, an accelerated 7 year BS/MD program in New York City that selects the top students in NYC who exhibit academic excellence. She received her medical degree from State University of New York (SUNY) Downstate Medical Center. During medical school, she was inducted into the selective Alpha Omega Alpha (AOA) Honors Society and was awarded the prestigious Mack Lipkin Broader Horizons Fellowship, a research fellowship and grant that allowed her to pursue cardiac stem cell research in the world-renowned Hôpital Saint Louis in Paris, France. After graduating as one of the youngest doctors in the country, she stayed at SUNY Downstate Medical Center for her ophthalmology residency training. She then went on to complete two subspecialty fellowships at UCLA: cornea & external disease fellowship at the esteemed Doheny Eye Institute-UCLA and glaucoma fellowship at the world-famous Stein Eye Institute-UCLA. She has co-authored 4 book chapters, has numerous publications in peer-reviewed academic journals, and has presented at over 20 medical society meetings and conferences.

She is currently an active member of the American Glaucoma Society, the American Academy of Ophthalmology, the Orange County Society of Ophthalmology, and the Armenian American Medical Society. She speaks fluent Armenian, Russian, and Spanish as foreign languages.  In her free time, she enjoys traveling, exercising, and hiking with her husband.

Arthur Astorino, Jr., MD, is a board-certified ophthalmologist who has been practicing since 1988. He provides exceptional eye care to his patients at Astorino & Associates Eye Center in Newport Beach, California, in areas like general ophthalmology, advanced cataract care, and refractive surgery.

Dr. Astorino earned his medical degree from Baylor College of Medicine in Houston and completed his ophthalmology residency at the Jules Stein Eye Institute at the University of California, Los Angeles (UCLA). He’s currently an associate clinical professor of ophthalmology at UCLA. Dr. Astorino is also a member of the American Society of Cataract and Refractive Surgery and a fellow of the American Board of Ophthalmology.

In his practice, Dr. Astorino believes in treating his patients as collaborators in their care. He always takes the time to educate them on their conditions and treatment options while bringing warmth, compassion, and professionalism to his services.

His friendly demeanor and medical expertise have made him a highly sought-after provider in his community and has earned him numerous awards, including the Patient Choice Award, the Compassionate Doctor Award, and America’s Most Honored Professionals Award.

Dr. Astorino is excited to meet new patients and to continue his care of returning clients at Astorino & Associates Eye Center.

Judd M. Cahoon, MD, PhD joins Astorino and Associates Eye Center from UCLA where he trained as an ophthalmology resident at the prestigious Stein Eye Institute. He is excited to build his practice in Newport Beach and brings new techniques to the clinic, such as minimally invasive glaucoma surgery (MIGS) and extensive experience treating medical retinal disease.

Prior to training at UCLA, Dr. Cahoon obtained his undergraduate degree at the University of Utah on a Presidential Scholarship, honoring in Exercise and Sports Science and minoring in Chinese. 

Dr. Cahoon completed the combined MD/PhD program at the University of Utah School of Medicine. He earned his PhD in Neuroscience studying the underlying mechanisms of and developing a novel treatment for diabetic eye disease. Dr. Cahoon has published multiple scientific papers and presented at both national and international meetings for which he has received numerous awards, including the Outstanding Young Investigator Award and the MIT Outstanding Poster Award. In addition to his basic science work on diabetic retinopathy, he has also published a series of papers on the dynamics of the machines used for cataract surgery.

During his time as a resident at UCLA, Dr. Cahoon was awarded the Medical Student Teaching Award and the Beast Bowler Award. He is fluent in Cantonese and Mandarin and is proficient in Spanish. Dr. Cahoon played rugby in high school and college and now enjoys playing the guitar for his wife and three children.

Dr. Cahoon is happy to see you for any eye condition, urgent or chronic, and considers his practice truly comprehensive.  

Dr. Ling Bei MD is a fellowship -trained glaucoma and cataract surgeon with a particular interest in minimally invasive glaucoma surgery. She provides the most advanced medical, laser, and surgical techniques personalizing care for the individual's needs and lifestyle. She also performs laser-assisted cataract surgery with specialty intraocular lenses to reduce or eliminate the need for glasses.

Dr. Bei graduated magna cum laude from Duke University with a double major in Biomedical Engineering and English. She completed her medical school training at the University of Pittsburgh and her ophthalmology residency at Washington University in St. Louis where she was honored to receive the Resident Research Award. She further received dedicated glaucoma surgical training at the University of California - San Diego with world-renowned leaders in the glaucoma field and was chosen to receive the Fellow Teaching Award for her contributions to mentorship of other ophthalmologists. She has published numerous papers in peer-reviewed ophthalmology journals and is a member of the American Board of Ophthalmology and the American Glaucoma Society.

In her free time she enjoys fitness, travel, and water-sports with her two children and husband.

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, laser 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 two sons, Matt 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 is a board-certified ophthalmologist whose clinical and surgical expertise is focused on Cataract Surgery, 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 Belotero, 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 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.

At Apex Retina Institute, board-certified ophthalmologist and retina specialist Darren Knight, MD, provides complete eye care to adults in Long Beach, California, and throughout Los Angeles County. 

Dr. Darren Knight is a proud South Bay native. He graduated with honors from the University of Southern California with a bachelor’s degree in biological sciences and went on to complete medical school at the prestigious Columbia University College of Physicians and Surgeons. After an internal medicine internship at Mount Sinai in New York City, he returned to Southern California to complete his ophthalmology residency at the University of California, Irvine. Dr. Knight later pursued a vigorous two-year fellowship focused on medical and surgical vitreoretinal disease at the University of California, San Diego. 

Dr. Knight is passionate about caring for his patients and equipping them with the knowledge they need to understand their diagnosis and achieve their best vision. He strives to guide his patients to a complete understanding of their illness and best practices through a philosophy rooted in compassion, kindness, and dignity. Every patient who walks in the door is treated with the same attention and care that would be given to his own family. 

Dr. Knight takes pride in his ability to share his knowledge of retinal disease with others. During his residency, he was selected by his fellow residents as the teacher of the year. Dr. Knight stays current on the latest developments in retinal disease and surgery so that his patients can achieve the best outcomes. Through cutting-edge technology and medications, he ensures that his patients receive quality care that enables them to improve their quality of life.

He has a particular interest in diabetic retinopathy, macular degeneration, retinal vascular disease, macular holes, epiretinal membranes (macular puckers), and retinal detachments. 

Dr. Knight has published numerous articles in peer-reviewed journals, including Retina, Ophthalmology, and JAMA Ophthalmology. He has participated in various clinical trials as both a sub-investigator and principal investigator. Dr. Knight has presented his research at the American Academy of Ophthalmology, the American Society of Retinal Specialists, and the Association of Research for Vision and Ophthalmology. He was also an Ophthalmology Times research scholar finalist for his research on “Retinal Morphology and its Influence on Operative Outcomes in Refractive Lens Exchange Patients.”

Dr. Knight is board certified by the American Board of Ophthalmology and is also a member of both the American Academy of Ophthalmology and the American Society of Retina Specialists.

In his free time, Dr. Knight enjoys spending time with his family, traveling, cheering on the Los Angeles Lakers and USC Trojans, and streaming the latest movies/shows. Don’t forget to ask him about his favorites. 

Apex Retina Institute is conveniently located and features cutting-edge diagnostics onsite, including optical coherence tomography (OCT), widefield fundus photography, fundus autofluorescence, and fluorescein angiography. We specialize in diagnosing and treating macular degeneration, diabetic retinopathy, retinal vascular disease, and retinal detachments.

Call Apex Retina Institute today to request an eye exam or make your appointment online.