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    William D Mosier, MD

    3.3 (20 reviews)
    Closed 8:30 am - 5:30 pm

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    Ask the Community - William D Mosier, MD

    Review Highlights - William D Mosier, MD

    Mosier is caring, compassionate and has given consistently great care to my family for years.

    Mentioned in 8 reviews

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    Chao Vision Institute - Dr. Lawrence C. Chao, M.D.

    Chao Vision Institute

    (7 reviews)

    Do you know how rare it is for somebody to voluntarily write a positive review without being…read moreprompted or asked to do so? My family and I have been seeing Dr. Chao and his team for many years at both the Irvine and Fullerton locations - they are simply outstanding. In the past, we've done cataract surgery (for my dad), routine checkups, and most recently for myself, PRK surgery. In every instance, we've been absolutely impressed with Dr. Chao's team of professional, knowledgeable, and kind staff members. In 9/2020, I went to get a consultation about Lasik vs. PRK surgery with Dr. Chao. He patiently walked me through the relative advantages of each procedure and which was the right one for me. My PRK procedure (10/2020) was incredibly smooth; some of my friends had less than ideal experiences with other practitioners, but I'm happy to report my procedure and recovery process went perfectly. Dr. Chao and his team did an amazing job of caring for me, carefully explaining what I should expect, and always making me feel like I was being treated with the highest level of expertise. I just came in for my three-month follow-up and could not be happier I decided to work with Dr. Chao. It's rare to find such a wonderful team of medical professionals. I genuinely enjoy coming in to see Dr. Chao! My advice is to listen to the onslaught of five-star reviews (especially those from people who actually work in healthcare) and book an appointment with Dr. Chao's office. Don't go anywhere else - this is the type of care we should get from every single doctor.

    Dr. Chao is wonderful. I had PRK surgery a couple years ago and I have 20/20 vision! Being able to…read moresee well right now is fantastic! I couldn't have imagined life this way as I struggled with near-sightedness for a long time. I recommend going to Dr. Chao for your lasik or PRK vision needs.

    Mosier Eye Center - Glasses

    Mosier Eye Center

    (152 reviews)

    Opthamology with Dr Mosier is great. The Optometrist was great as well, but the last two times I…read morereceived new glasses mistakes were made, and they had to be remade. The turn around time on glasses is rather long in the first place so waiting to get my glasses on both visits was a little frustrating. I'm not going to lower my five star because I do like Dr M so much!

    Dr Pham is truly a passionate doctor who knows her stuff. I know other doctor rating websites say…read moreshe is arrogant and rude but I truly think it is just a misinterpretation of her care. She indeed does not like to be questions but I get it since reading stuff on the internet does not make us experts. If you follow her recommendations, dry eye really can be managed. The doc tends to run late but I think it is because she will sit with patients until ALL of their questions are answered. She really does care. I've seen the optometrist there as well and again, runs a tad late but will sit with you until all of your questions are answered. She encouraged but did not pressure me at all to purchase glasses from the office. I've had multiple experiences with tech, Jamie and she is top notch. So friendly and warm. She is also very knowledgeable and really helps patients out. She kept me up to date on my preauthorizations so I didn't have to chase down answers. She is also certified to do the Lipiflow and she made sure I was very comfortable for the entire 15 minutes. Some of the front desk staff and techs are really rude so be prepared for that. They act like your presence is a huge inconvenience to their existence. Plenty of free parking in this lot too.

    NVISION Eye Centers - Fullerton

    NVISION Eye Centers - Fullerton

    (199 reviews)

    I was referred to NVISION by my optometrist when discussing LASIK surgery, and was lucky enough to…read morehave a location that was just a quick drive from my house. I was very nervous and a little unsure about going forward with LASIK when I was first referred, but thanks to the staff at NVISION, my experience from start to finish was smooth and easy. After being referred, NVISION Fullerton reached out to me and quickly set up a free consultation. During this they tested my eyes, answered any questions I had, and determined if LASIK was a good option for me. I really appreciated how upfront and honest they were the entire time, and the friendliness of the entire staff made me feel comfortable trusting them with my eyesight. I was quoted around $6000 for my surgery (you do pay a $250 deposit upon booking your surgery date) and financing options through CareCredit are available. I did opt for their Contoura LASIK procedure which was extra, so your price may vary depending on what you choose. I felt it was worth it to go all out for my vision, but I appreciate that the staff did not actively try to upsell me on the procedure. In fact, they even mentioned that if at any point before the surgery, the doctor decided Contoura wouldn't benefit me, they would let me know and go through with a standard procedure. I want to thank Stephanie specifically for helping me out so much during this entire process. She answered so many of my questions, went over financing options, and assisted in arranging my surgery dates. On top of this, she would send reminders as my surgery date approached, and created a plan for me follow before as well as after my surgery. Even when I decided to move my surgery earlier, she made it as easy and stress free as possible. In fact, every staff member at NVISION Fullerton was so friendly, and the professionalism from everyone made me feel confident in choosing them for my LASIK procedure. When my surgery date came, Franklin Lusby, M.D. performed the procedure on me. I had been told nothing but great things about him, both from the staff as well as my own optometrist. They give you medication to calm down, as well as numb your eyes and essentially walk you through the entire procedure. You maybe spend 10 minutes max under the knife (or lasers I should say) and then they give you some goggles, and send you to sleep for a whole day. By the next day, my optometrist had told me I already had better than 20/20 vision and the main discomfort had already passed. Post surgery can vary depending on how your eyes heal, but a month and a half out my eyes have pretty much gone back to normal, and my vision is great! My vision first started declining when I was 11 and this procedure has been life changing. For the first time in over a decade, I'm able to live my life without worrying about forgetting my glasses or running out of contacts to wear. I really want to thank everyone at NVISION Fullerton for making this possible, and I would not hesitate to refer anyone looking into LASIK to them.

    Thank you to NVISION in Brea for a seamless cross-linking experience! I began my journey in…read moreSeptember 2025, and the team accommodated my last-minute decision with care. I had each eye done a week apart, and both procedures were smooth with minimal discomfort. They ensured I had the right medications and always provided refills when needed. The whole team--special thanks to Jordyn, Katrina, Jasmine, Valerie, Jason, Dr. A, and Dr. Lusby--was supportive and informative. Today, I'm writing this review on the day of my six-month post-op checkup, and I'm proud to say I'm seeing 20/20! I can't recommend NVISION in Brea enough!

    Acuity Eye Group - Optometry inside

    Acuity Eye Group

    (63 reviews)

    I want to give a huge shout out to HILDA at the Acuity Eye Contact Center! I called because I saw…read morethe eye doctor a month ago and had not heard back regarding my referral to an eye surgeon. My insurance told me that they never received an authorization and I was so upset .. cause I'm in pain from the Lacrimal Cyst. I finally got a hold of "Hilda" and she went above and beyond her job.. got a hold of the doctors office, the actual doctors assistant.. explained what happened and within one hour LIZ called and said they are sending a new referral to Dr. Tao and will call me when it's approved! .. Thank you to HILDA AND LIZ (of the Fullerton office) for their excellent customer service and truly making my day!!!

    My once a year check up to see an ophthalmologist. I've seen two other doctors from here before…read more My last visit they were not that nice but this time they were friendly and had good bedside manners. My nurse she was really sweet she took all my tests before I met with the dr. I parked out front and you have to take the elevator up, but was a pretty quick visit. Did some tests and they dilated my pupils so that made my eyes really sensitive after that for some reason, but was able to drive home alright sort of. I was really blurry, dizzy and nauseous and felt like I needed to lay down when I got home so I did and took a nap. Never happened to me before after getting dilated, maybe this week has just been a bit much on me but I appreciated their kindness and the Dr was friendly too, I like how clean it is and they had some cute Halloween decorations up everywhere too. Was a little busy but not too bad, was out of there in less than an hour. Thank you for being friendly and kind. Have a beautiful day be kind to all your patients :) Aloha

    William D Mosier, MD - optometrists - Updated May 2026

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