I am deeply disappointed with the unprofessional customer service experienced today when dealing…read morewith an appointment for my employee. Our employee arrived for his scheduled appointment today, but his necessary translator did not arrive. When I called to resolve the issue and suggested reaching out to the insurance carrier to see if there was a coordination mix-up, the representative, Shana, became extremely aggressive and rude on the phone. Instead of providing the customer support we needed, she claimed there was no one available in the entire building who spoke Spanish. Throughout the call, she refused to let me get a word in. When I politely asked for her supervisor's name, she completely bypassed my question and hung up on me, refusing to provide any management contact information. I called back immediately and was connected with Brandy, who was very kind, professional, and helpful. She was able to provide the name of the supervisor, Denise Kurt. While I appreciate Brandy's excellent assistance in a stressful situation, the behavior exhibited by Shana is completely unacceptable for a professional medical office handling sensitive worker accounts. Management needs to address Shana's conduct and communication immediately

Unprofessional and Disrespectful of Patients' Time…read more My mother's appointment was scheduled for 1:20pm, yet we were kept waiting 51 minutes before being seen. There were no updates, no explanation, and no apology from the staff or the physician. When I mentioned--calmly--that my mother's time should be respected and that appointments should begin reasonably close to their scheduled time, Dr Gilbert replied: "Well, sometimes it works that way and sometimes it doesn't." That statement, paired with a complete lack of acknowledgment for the delay, was unacceptable. It reflected a dismissive attitude toward patient time and basic professionalism. I remained polite and civil throughout the interaction, but left with the impression that punctuality and patient communication are simply not valued here. If you expect respect, accountability, or even a simple apology for excessive wait times, I would advise seeking care elsewhere.

I cannot recommend Dr. Lim highly enough!!! 17 thumbs up!!!…read more She is a miracle worker. I was the biggest scaredy cat about getting my cataract surgery done. I have been wearing glasses since the third grade and I am extremely near-sighted. One of my biggest fears is losing my sight. Dr. Lim made me feel extremely confident about getting the surgery. She explained the surgery in detail and she offered excellent advice about the right type of cataract lenses for me. The surgery itself was extremely quick and painless. I felt like I was at a Laserium show at a planetarium and not in an operating room. There are a number of follow-up appointments scheduled for the day and week after surgery. Both Dr. Chan and Dr. Zhang were caring, knowledgeable, and friendly at these follow-up appointments. The Walnut Creek office staff is also wonderful, friendly, and efficient. Being the nervous Nelly that I am, I did call them more than a few times with my worries. I am now seeing 20/15 out of my distance eye. I can read 4 point type out of my reading eye. I feel I should be on a lecture tour, wearing a Super Hero cape to match my new bionic eyes, touting the wonders of cataract surgery with Dr. Lim. The only regret I have is enduring blurry and dimming vision for a year because I put off my cataract surgery because I was so scared. If you need cataract surgery, make an appointment with Dr. Mira Lim!!! You will be so happy you did. It was the BEST DECISION I have ever made in my life.

Mira Lim performed miraculous cataract surgery on my eyes in '21-22. She also corrected an…read moreastigmatism in my right eye. She is a one in a million genius eye surgeon with a manner so unassuming and a hand that is so calm and self assured, you pray that she is there whenever you go under the knife. Period! Her specialty is corneal implants. She loves what she does and she loves to give the miracle of perfect sight to her patients. I'm 77 now and one day after the surgeries my eyes tested 20/20 & 20/24. Three year later they still test the same. I'm so grateful to her! It is not surprising to me that she worked with Dr Vastine, the Errol Flynn of eye surgeons. And she was referred to me by Dr Litwin, one of the best. Don't even think about it. Get on her waiting list today.

Called to ask about an emergency visit today (7/7/25 @ 2:55 pm) after getting a chemical in my eye…read moreand was told they don't offer emergency care--despite what's listed. The front desk laughed and said, "Heh, Noooooo, we don't do emergency appts and I don't have anything until Thursday? You should try urgent care or your primary." Thanks for the advice as if I hadn't already thought about that! Off to urgent care at 7pm... ---I'm very glad I didn't just walk in. You might want to update your info.

Our Family have been with Diablo Eye for over 20 years, today both Myself and My Father had our…read morecheck ups, as always the service and professional establishment was great, But Kudos to Dr.Michele Lomelino, She was so Pleasant and Joyful. We felt as we were the only patient she had for the year. She also took extra time to make sure My Father's Concerns were addressed. The Check up went so fast because she made it so Pleasant. Thank you much to the whole team from scheduling to check in and check out. Awesome experience.

A nice place with a quality team. They helped with my aunts cataract surgery. Front staff is very…read morenice.

I had my two cataract surgeries performed by Dr. Feiz. Both went extremely well and I've had no…read moreproblems since performed a year and a half ago. Dr. Feiz explained everything clearly. The staff was very helpful. No problems at all.

I cannot recommend Dr. Lim highly enough!!! 17 thumbs up!!!…read more She is a absolute Miracle Worker. I was the biggest scaredy cat about getting my cataract surgery done. I have been wearing glasses since the third grade and I am extremely near-sighted. One of my biggest fears is losing my sight. Dr. Lim made me feel extremely confident about getting the surgery. She explained the surgery in detail and she offered excellent advice about the right type of cataract lenses for me. The surgery itself was extremely quick and painless. I felt like I was at a Laserium show at a planetarium and not in an operating room. There are a number of follow-up appointments scheduled for the day and week after surgery. Both Dr. Chan and Dr. Zhang were caring, knowledgeable, and friendly at these follow-up appointments. The Walnut Creek office staff is also wonderful, friendly, and efficient. Being the nervous Nelly that I am, I did call them more than a few times with my worries. I am now seeing 20/15 out of my distance eye. I can read 4 point type out of my reading eye. I feel I should be on a lecture tour, wearing a Super Hero cape to match my new bionic eyes, touting the wonders of cataract surgery with Dr. Lim. The only regret I have is enduring blurry and dimming vision for a year because I put off my cataract surgery because I was so scared. If you need cataract surgery, make an appointment with Dr. Mira Lim!!! You will be so happy you did. It was the BEST DECISION I have ever made in my life.

The friendly professional staff provided an excellent Office Experience. The examination was very…read moredetailed and questions were encouraged and answered. When I my appointment was over I had a sense of belonging. I highly recommend them.

I have been a patient of Dr. Prasad since 2013, and I cannot recommend him highly enough. As a…read moremilitary aviator, maintaining exceptional color vision, visual fields, optic nerve health, and overall eye health is critical to my career. Dr. Prasad has kept all of these in outstanding condition for over a decade. He is equipped with state-of-the-art diagnostic technology and, more importantly, he is incredibly thorough and genuinely caring. I never feel rushed during my visits -- he always takes the time to listen and provide thoughtful care, never treating me like just another patient. Thank you, Dr. Prasad, and your entire team for your outstanding care and dedication!

Not sure how to word this appropriately. The office is clean and the staff is efficient. However,…read moremy last appt. with Dr. Prasad was "interesting". I commented to Dr. P that I had to wait 2 hours. At this, Dr. P, not only got defensive, but I felt, personally insulted. I did not make an untrue statement. He was 2 hours late. I did have my eyes dilated, but had waited prior to this and after until I was seen. At this, he told me I was"Mean". I wasn't mean, I was honest as I pointed out, but he couldn't let it go. I apologized again as I realized he was taking this so personally, even telling me he has told his children not to become doctors due to people like me. Weird. At this, I apologized again for my statement of saying he was late and he went off on a tangent of "having done good surgery on me", yes he did. Cataract surgery. However this had nothing to do with being late. He said I couldn't say something like this and expect an apology was acceptable. He looked at my chart and said I had been coming to him since 2021. He could not drop this. He is a good doctor, however has run late consistently. I will be changing opthomologist as It was if I was at that point speaking to a spoiled child, not a professional doctor.

I normally don't rate medical providers but seeing all the negative comments I almost didn't book…read morean appointment with the clinic, but trusted by PCP wouldn't steer me wrong. I visited the Pittsburg clinic and from start to finish an all around great experience. All the staff was friendly, professional and attentive. I was seen in a very timely manner. The physician, Dr. Wang was thorough and explained my condition very clearly to me, answering my questions. The building is older, with a shared waiting area, but it was clean and not overly crowded. I will be staying with Dr. Wang and their team for any needed follow up. I would recommend this practice.

My mother went to see Meng Lee, O.D. because she was experiencing vision loss. Despite her serious…read moresymptoms, he failed to properly evaluate or treat her condition. His care was dangerous, harmful, careless, irresponsible, and unprofessional. At the first visit, he performed some basic tests--eye pressure, vision check, and optic nerve exam--and told us her problems were just due to "old age." He never even mentioned the early cataracts that were documented in her record. At the second visit, he was still unsure of the problem. He did almost no new exams, "diagnosed" her with "dry eyes," suggested she "try" some eye drops, and said nothing else needed to be done--except repeatedly asking my mother to come back, without giving any clear explanation or follow-up plan. Instead, he pushed for glasses, even though glasses were not the cause of her vision problems. Most importantly, he did not perform or recommend any standard glaucoma tests, such as: Visual field testing OCT imaging Gonioscopy Pachymetry Referral to an ophthalmologist (a medical eye doctor) These are standard components of a complete glaucoma evaluation, especially in a patient aged 70, with cataracts and borderline IOP readings (20 mmHg is still within normal range but at the higher end). Although he presents himself as a "glaucoma-certified optometrist," he completely missed the signs of glaucoma and failed to manage my mother's serious condition. We specifically asked whether my mother might have glaucoma, and Dr. Lee told us no--without conducting any of the standard tests necessary to confirm or rule out that condition. We didn't question it at the time--because we didn't know about the standard glaucoma tests and trusted him, especially after he brushed it off and said she was "just old," as if that explained everything. Over two years later, a great doctor performed the proper tests and diagnosed her with advanced glaucoma at the first visit. Unfortunately, by then, the damage was permanent. This is a serious failure of care. If Meng Lee had properly evaluated her symptoms or referred her to a medical specialist, my mother's vision could have been saved. This level of negligence should not be tolerated in any healthcare setting. Someone who ignores clear signs of disease and fails to provide even the most basic standard of care should not be allowed to continue practicing. He should have his license revoked.

Dr. Hwang is an excellent surgeon. I had two cataract…read moresurgeries with him. He is part of an organization that provides free eye care overseas. I can't say enough good about Dr. Hwang and his office. Dr. Nguyen and Dr. Ong are outstanding optometrists in the practice. The front desk is very efficient and pleasant. The assistants who first screen you at your appointment are kind and knowledgeable. Wait time for OD care is short. Highly recommended!

Dr. Hwang has been my Opthamologist for many years. He is an excellent doctor, takes his time…read moreexamining my eyes, answers any questions I may have, and very kind.

Ben, a staff member in the Walnut Creek office, kindly gave me a thumb drive with a digital copy of…read moreall my records, for which I'm extremely grateful. In my experience, getting those digital records is somewhere between impossible and extremely difficult. Ben figured it out on the spot, pulled in whoever needed to be pulled in to get the job done, and promptly gave me a thumb drive that clearly had everything I asked for. This is after more than three weeks of getting the royal runaround. THANK YOIU BEN!!!

Great doctors, helpful staff, convenient locations. Walnut Creek is where I go , usually not more…read morethan a 10 min wait.

I was referred to Dr. Nam by by regular ophthalmologist. My experience with his staff, the surgery…read morecenter, and especially Dr. Nam is nothing less than outstanding. The knowledge, caring and expertise by all were a very welcome exception considering what I'm hearing from quite a number of my friends. Should you need a cornea or cataract specialist this practice is a must. I can't recommend this office enough. 2700 Ygnacio Valley Rd Suite 150, Walnut Creek, CA 94598 (925) 268-0338

Dr. Nam is a brilliant and caring doctor. I had a rare autoimmune condition that briefly made me…read morelose 70% vision in my left eye. Dr. Nam was instrumental in getting me the diagnosis I needed to save my eyesight. I will forever be grateful for his care.