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Laser vision correction has come a long way, giving you more options than ever to achieve freedom from glasses and contact lenses. Dr. Zhu offers the most advanced laser technology in all of Southern California, allowing you to achieve the best vision possible. She uses only premium laser technology for All-Laser LASIK and Laser-Assisted Cataract Surgery for her patients. She was one of the first surgeons in the country to implant the new PanOptix® trifocal lens , the best technology available for correcting vision not only at distance, but also at near and intermediate for people over 40. She is also one of the top Visian® ICL (a LASIK alternative) surgeons in Orange County. With her expertise, Dr. Zhu has been able to successfully treat thousands of patients who had been deemed poor surgical candidates elsewhere.
Unlike a high-volume, "LASIK mill," Dr. Zhu provides comprehensive eye care and puts her patients first. From day 1 of your consultation until your postoperative visit, she is with you every step of the way in your journey to clear vision. Every patient and eyeball is unique. Dr. Zhu will use her expertise in the anterior segment of the eye to recommend the best options for you--even if that means no surgery at all. You can rest assured that you will receive quality care that is 100% honest and customized to you. In fact, you can find answers to many FAQs through fun and easy-to-follow videos on her Instagram and Tiktok channels. Fluent in Spanish and Chinese, Dr. Zhu and her multilingual staff are ready to provide the highest quality care to you and your loved ones.
MEET YOUR SURGEON: DAGNY ZHU, M.D.
Dr. Zhu was born in Shanghai, China and immigrated to the United States with her working-class parents at the age of 3. As a Southern California native, Dr. Zhu graduated top of her high school class as valedictorian and attended UCLA on a full-tuition Regents scholarship (the highest award granted in the UC system) where she graduated Summa Cum Laude with a degree in molecular, cell, and developmental biology.
Dr. Zhu received her M.D. from Harvard Medical School where she discovered her love for ophthalmology and performed cutting-edge research on corneal immunology at Harvard’s Massachusetts Eye and Ear Infirmary. As a medical student, she co-founded the Medical Mandarin course for doctors-in-training and embarked on a medical mission with Operation Burns in Mumbai, India where she worked alongside plastic surgeons to treat burn victims with debilitating skin and eyelid contractures. Dr. Zhu then returned to Southern California to complete her ophthalmology residency at the prestigious Doheny Eye Institute/University of Southern California (USC) & Los Angeles County Medical Center, where she served a predominantly Latino community and cared for the sickest patients at one of the largest public hospitals in the country. Described as a “gifted surgeon” by her mentors, Dr. Zhu elected to complete fellowship training in cornea and refractive surgery at Bascom Palmer Eye Institute, the #1 eye hospital in the world.
"I absolutely do not regret my decision to get LASIK surgery and I'm especially glad that I went to HyperSpeed LASIK! I had Dr. Dagny Zhu perform my surgery and she was so careful with me. She's so cheerful and will answer any questions you have. She also has amazing credentials (UCLA, Harvard medical school, USC for residency, and did her fellowship at the #1 eye hospital in the world- Bascom Palmer).
My healing process was so quick and painless; no discomfort whatsoever! I know everyone heals differently but I feel like a part of it also has to do with how the surgery was performed itself and the machine used. The laser they use is one of the newest lasers that does not use a blade... I'm honestly so grateful to have gone here! The entire staff gave the best level of care I've ever experienced...My friends and family can see the happiness i have from this that they're even considering getting it done at Hyperspeed LASIK! I can't explain the amazing feeling of waking up and being able to see!
Gregory M.
After LASIK
Dr. Dagny Zhu runs an incredible operation at HyperSpeed LASIK - NVISION Rowland Heights. I never thought I'd find myself writing a review for a surgery, but here we are. I'm currently early in my dental career - seeing and treating dental patients daily. To say my vision is critical, is an understatement, so I knew I would only be trusting my eyes to the best. After a lifetime of contact lenses and glasses correction, I knew
it was time to get it laser corrected and be done with it.
For those of you interested in the academic side of things, Dr. Zhu is well credentialed - a Harvard graduated MD, with Ophthalmology residency at the Doheny Eye Institute / USC & Los Angeles County Medical Center. Her fellowship was at Bascom Palmer Eye Institute. If that's not enough, she still does research and mentors upcoming residents. This level of training and active commitment to the medical community as a whole does not go unnoticed in my book.
Non-academically, Dr. Zhu herself is incredibly personable, and shows an unwavering commitment to her patients - she's personally followed up with multiple times, and is clearly just as interested in my own vision outcomes as I am. Dr. Zhu is thorough to say the least, and leaves no stone unturned in diagnosis and treatment planning (and this has been true at every appointment - pre-op, post-op and surgery day itself). This level of attention to detail is directly attributable to my vision (which was a significant prescription) being easily correctable and largely healed within days of surgey.
The entire team went out of their way to ensure that appointments were scheduled at my convenience (or rather, the complex schedule of anyone working in Medicine), and were accommodating through out for last minute changes, coordinating payment and benefits, and the whole experience. I'm on a first name basis with much of the staff, and they've have turned into a challenge amongst themselves to see who can pronounce my last name correctly (it's not easy, but they're rocking it!).
Dr. Zhu is a great eye surgeon, and an awesome human being. I'm absolutely ecstatic about the care I've received, and cannot recommend Dr. Zhu and her team any more highly.
Mike S.
After LASIK
Just wanted to say a word of gratitude to Dr. Zhu, Evelyn, Dr.Liang, and Dr. Park for all being the outstanding members of my team rooting for me to have the best service and experience. From Dr. Zhu's perfect Lasik surgical skills to Evelyn's professional friendliness, to Dr. Liang's empathy, to Dr. Park's careful explanations, and everyone's followups and knowledge were beyond
expectation like they actually really care about you and your wellbeing! Make sure to get to know each and one of these people I mentioned and you will know that you're in good hands and have known you've made great long term friends in the process. The rest of the staff were super friendly, helpful, and are ready to assist anytime as well. Entrusting my eyes to them was one of the best decisions I've ever made in my life. They each deserve a trophy in my book. I can go on and on but I wouldn't want to spoil it for you. Highly recommend if you're even a tad bit interested seek them for a consultation. You won't regret it. Glad to have 20/20, better yet, 20/15 in 2020!
Fluent in English, Spanish, Chinese, Korean, Arabic, and more, our multi-lingual team is here to serve you!
Cesar Ramirez, OD
Optometrist
With over 12 years of experience in a refractive surgery setting, Dr. Ramirez graduated with honors from Pacific University. He is fluent in Spanish.
Patricia Liang, OD
Optometrist
Dr. Liang received her B.S. from the University of California Irvine and graduated from the optometry program at Western University of Health Sciences. She is fluent in Mandarin Chinese and Spanish.
The most ADVANCED technology with a LIFETIME guarantee
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Dr. Zhu was born in Shanghai, China and immigrated to the United States with her working-class parents at the age of 3. As a Southern California native, Dr. Zhu graduated top of her high school class as valedictorian and attended 
