Benjamin S. Threlkeld, O.D.
Dr. Ben Threlkeld has extensive experience in primary vision care, including comprehensive eye examinations, precision fitting of contact lenses and glasses, and the diagnosis, treatment, and management of eye conditions and diseases. On numerous occasions he has performed the annual vision screening for the 49ers professional football team, and currently provides on-going eye care for the players and coaching staff. Dr. Threlkeld is also an expert in the pre- and post-operative care of refractive surgery patients, with a specialty in laser vision correction (with more than 10,000 LASIK cases to his credit).
Dr. Threlkeld was on the Clinical Faculty at UC Berkeley School of Optometry, where he taught in the Contact Lens and Primary Care clinics. He also regularly delivered lectures to practicing optometrists as part of the profession's continuing education program. Dr. Threlkeld is a member of the Volunteer Optometric Services for Humanity (VOSH) organization, and also teaches an annual workshop on ocular anatomy for children in Oakland. |
Dr. Threlkeld completed his undergraduate work in biochemistry at UCLA, and then earned his Optometry degree from UC Berkeley, during which he conducted research at the UC San Francisco Beckman Vision Center on the IntacsTM ocular ring for myopia correction.
Cindy H. Threlkeld, O.D.
Dr. Cindy Threlkeld received her Doctor of Optometry degree from University of Houston College Optometry in 1999. She then completed her training in pediatric optometry at UC Berkeley School of Optometry in 2000, where she later served as a clinical instructor in the Infant-Toddler Clinic. Besides extensive experience in primary vision care, Dr. Threlkeld has years of experience performing vision screenings for children in schools in Alameda and Contra Costa counties. She was also involved in the National Eye Institute supported Vision In Preschoolers study.
Dr. Threlkeld has had opportunities to travel to Honduras with Volunteer Optometric Services for Humanity (VOSH) and to Mexico with Flying Doctors to provide eye care to those who have great difficulty receiving eye care. She hopes to have more of such opportunities in the future. |
Matthew P. Snider, O.D.
Dr. Matthew Snider has been with our practice for eight years. He completed his undergraduate studies in Biological Sciences at the University of California, Irvine. He then went on to receive his Doctor of Optometry degree from the UC Berkeley School of Optometry. He completed his clinical rotations within the Portland VA and Tucson VA Healthcare Systems, in addition to a private practice in Broomfield, Colorado. During his four years of optometric training, he received multiple awards and scholarships, including the Ming Pow Low PSSF award, the Robert B. Greer PSSF award, and the Marchon award for Excellence in Ophthalmic Optics and Practice Management.
Dr. Snider grew up in Redwood City, and was a patient at Cambridge Optometry for many years. Prior to becoming an optometrist, Dr. Snider worked at Cambridge Optometry as an optometric technician throughout his undergraduate training. It was here in our office where Dr. Snider first discovered his passion for optometry and patient care! He has been thrilled to have returned to Cambridge Optometry as an optometrist and thoroughly enjoys reconnecting with existing patients as well as welcoming new patients! |
Dr. Snider's professional interests include contact lens fitting (including scleral lenses), dry eye management, and pediatric exams. In his free time, Dr. Snider enjoys spending time with his wife and his two young kids!
Gigi Hsiao, O.D.
Dr. Gigi Hsiao has over 30 years of experience in optometry primary vision care, specializing in comprehensive, personalized eye examinations, precision contact lens and glasses fittings, and expertise in myopia control. She completed her undergraduate degree in Physiology from the University of California, Berkeley. In 1993, she received the Doctor of Optometry from The Southern California College of Optometry, graduating with the distinguished Vision Service Plan Award. Dr. Hsiao has extensive experience working in multiple population settings, including at a Veterans Hospital, ophthalmology surgical practice, Native American reservation, and Spanish and Mandarin speaking practices.
Outside of optometry, Dr Hsiao has volunteered extensively with community organizations, such as The Leukemia and Lymphoma Society, Reading Partners, and various local hunger and underserved community programs. She enjoys spending time with family and friends, cooking, traveling, and all forms of exercise. Dr. Hsiao happily joined Cambridge Optometry in September 2023, and looks forward to working with the amazing team and patients. |
Pareet Raju, O.D.

Dr. Pareet Raju is a Bay Area native who graduated from San Jose State University majoring in molecular biology and minored in chemistry. She earned her doctor of optometry degree from Western University of Health Sciences.
She completed her clinical rotations at the Villages VA-Florida, Bradenton VA-Florida, Harpers Point Eye Associates-Ohio and a private practice with an emphasis on myopia-control. Through her clinical rotations, Dr. Raju has received extensive exposure to ocular diseases like glaucoma, macular degeneration, diabetic retinopathy, corneal diseases and more. Dr. Raju’s goal is to provide personalized exams to each patient's needs and strives to improve quality of life through better vision. She is also bilingual with complete fluency in Punjabi.
Dr. Raju is a member of the California Optometric Association and Santa Clara Optometric Association. In her free time, Dr. Raju enjoys spending time with her family and friends. She also enjoys creating art, baking, hiking and traveling.
Matthew Barnes, O.D.
Dr. Barnes was born and raised in sunny San Diego. He earned his Bachelor of Science in Neurobiology from UC Davis. He earned both his Doctor of Optometry degree and Masters in Vision Science from the New England College of Optometry. His research focused on myopia control.
Dr. Barnes practices full-scope optometric care with experience including refractive surgery evaluation/co-management, myopia control, and eye disease. He is dedicated to providing personalized and comprehensive eye care to his patients. His passion for understanding the intricacies of vision has driven him to stay at the forefront of optometric research and practice. Dr. Barnes is a board member of the San Francisco Optometric Association and an active member of the California Optometric Association. He is committed to advancing the field of optometry and ensuring the highest standards of patient care. Outside of his professional life, Dr. Barnes enjoys hiking, gardening, and experimenting with new recipes in the kitchen. You can often find him on a trail with his wife and dog on the weekends. |
Manisha Suresh Chand, O.D.
Dr. Manisha Suresh Chand is from the Bay Area. She earned her Bachelor of Science degree from the University of California, Riverside, before completing her Doctor of Optometry degree at Western University of Health Sciences. Dr. Manisha gained extensive clinical experience through rotations at the VA hospitals in Connecticut, Tennessee, and Florida. She also completed a rotation at a LASIK center, further expanding her expertise in refractive surgery co-management. Passionate about delivering personalized eye care, Dr. Manisha is committed to enhancing her patients’ eye health and quality of life. She values building strong connections with her patients and ensuring they receive the highest level of care. She is a current member of the American Optometric Association. Outside of work, Dr. Manisha enjoys exploring new restaurants in the Bay Area with her husband and spending time in the city. |