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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 four children.

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

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.

Dr. David T. Stark, MD, PhD is a licensed, board eligible comprehensive ophthalmologist who trained at the prestigious UCLA Stein Eye Institute in Los Angeles. Dr. Stark performs LASEK and premium cataract surgery. Dr. Stark also treats glaucoma, diabetic retinopathy, age-related macular degeneration, and corneal/ocular surface diseases.

Dr. Andrew Lee graduated cum laude and with Phi Beta Kappa honors from UCLA. He then went on to complete his medical degree at the NYU School of Medicine. After his internship in internal medicine at UC Irvine School of Medicine, he went on to complete his residency in ophthalmology at the Northwell Health Eye Institute in New York where he served as chief resident in his final year. Dr. Lee then went on to receive additional training at the Jules Stein Eye Institute at UCLA where he completed a fellowship in Cornea, External Diseases, and Refractive Surgery.  

  A dedicated clinician scientist, Dr. Lee has published several papers in multiple peer-reviewed medical journals regarding topics in cornea, retina, glaucoma, and pediatric ophthalmology. Notably, he was the first to report on acute angle-closure induced by daratumumab, a monoclonal antibody used to treat relapsing multiple myeloma. He finds tremendous joy and satisfaction in improving the health of patients’ eyes, and remains at the forefront of medical knowledge and surgical skills to ensure the best possible outcomes for his patients.    In his free time, he enjoys spending time with his wife and two children. Dr. Lee is a native of Irvine, and is thrilled to be back home where he can give back to the community that has given him so much.   Training and Certifications

University Of California, Los Angeles, BS, Cum Laude

New York University School Of Medicine, MD   UC Irvine School Of Medicine, Internship (Internal Medicine)

Northwell Health Eye Institute, Residency (Ophthalmology), Chief Resident

Stein Eye Institute At UCLA, Fellowship (Cornea, External Diseases, And Refractive Surgery)

American Board Of Ophthalmology, Diplomate 

American Academy Of Ophthalmology, Member