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Your Trusted Optometrists in Thornhill, ON
Lumina/Eye Care was founded by Dr. Maggie Fung and Dr. Joanna Yu, classmates from the University of Waterloo School of Optometry & Vision Science, who graduated in 2011. Our practice was established with a shared vision to provide personalized, high-quality eye care to communities in Thornhill, Markham, and surrounding areas. We combine advanced technology with compassionate service to deliver comprehensive eye health solutions for patients of all ages. Our team has extensive experience in routine exams, pediatric care, contact lens fittings, and managing ocular emergencies. We are committed to community outreach, having participated in international eye care missions and local vision initiatives.

Our clinic features state-of-the-art diagnostic equipment and a curated selection of premium eyewear. We maintain memberships in professional organizations including the Canadian Association of Optometrists and the Ontario Association of Optometrists. Our mission emphasizes preventive care, patient education, and creating a welcoming environment where every patient receives individualized attention. We offer direct insurance billing for convenience and maintain flexible hours to accommodate diverse schedules. Our dedication to excellence has earned us consistent positive feedback from patients who appreciate our thoroughness, professionalism, and warm approach to eye care.
Services
Comprehensive Eye Exam Pediatric Eye Exam Contact Lens Exam Ocular Emergencies Post-Op Management Laser Eye Surgery Cataract Surgery Orthokeratology Myopia Control Eyewear Selection
Highlights and features
  • We offer personalized care with over 10 years of combined experience in optometry
  • Our clinic features advanced diagnostic technology for precise eye health assessments
  • We provide same-day appointments for ocular emergencies
  • Our team includes specialists in pediatric eye care and myopia control
  • We maintain active community involvement through vision outreach programs
Associations and certifications
  • Canadian Association of Optometrists
  • Ontario Association of Optometrists
What people say
Highly recommend Professional and friendly Thorough eye exam Excellent pediatric care Modern clean facility
Services
Comprehensive Eye Exam
Our comprehensive eye exams use advanced technology to assess vision quality and detect ocular diseases. Patients receive detailed evaluations of visual acuity, eye coordination, and intraocular pressure. The exam includes retinal imaging and digital refraction to ensure precise prescriptions and early detection of conditions like glaucoma and macular degeneration.
Pediatric Eye Exam
Specialized eye exams for children starting at 6 months old focus on visual development and learning-related vision problems. Our optometrists use age-appropriate techniques to assess eye health, binocular vision, and visual acuity. Early detection of amblyopia and strabismus ensures timely intervention for optimal visual development and academic success.
Contact Lens Exam
Our contact lens exams include corneal topography and tear film analysis to determine optimal lens fit and material. Patients receive personalized recommendations for daily wear, extended wear, or specialty lenses. We offer trial lenses and comprehensive instruction on proper insertion, removal, and care techniques for safe, comfortable vision correction.
Ocular Emergencies
We provide urgent care for eye injuries, infections, and sudden vision changes with same-day appointments available. Treatment includes foreign body removal, chemical burn management, and acute glaucoma intervention. Our optometrists handle emergencies requiring immediate attention to prevent permanent vision damage while avoiding lengthy ER wait times.
Myopia Control
Our myopia control program combines Ortho-K lenses, MiSight daily disposables, and Miyosmart spectacle lenses to slow childhood nearsightedness progression. Custom treatment plans include regular monitoring of axial length growth and prescription adjustments. This evidence-based approach reduces long-term risks of high myopia-related complications like retinal detachment and glaucoma.
People
Dr. Maggie Fung
Optometrist
Dr. Fung graduated from the University of Waterloo in 2011 and specializes in comprehensive eye exams. She focuses on preventive care and has participated in international eye missions. Patients praise her thoroughness and ability to make visits comfortable for all ages.
Dr. Joanna Yu
Optometrist
Dr. Yu brings over a decade of experience in pediatric eye care and contact lens fittings. She emphasizes patient education and has received multiple accolades for her gentle approach. Her expertise includes managing complex vision conditions in children and adults.
Dr. Merene Wong
Optometrist
Dr. Wong specializes in ocular disease management and post-operative care. With particular interest in diabetic eye exams, she combines technical expertise with compassionate patient communication. Patients consistently highlight her attention to detail and clear explanations.
Marco
Optical Consultant
Marco assists with eyewear selection and insurance processing. Known for his exceptional customer service, he helps patients choose frames that combine style with functionality. His expertise in lens technology ensures optimal vision correction solutions for each client.
Dr. Ivy Deng
Optometrist
Dr. Deng provides comprehensive eye exams with special attention to first-time patients. She excels at making nervous patients comfortable and explains complex eye health concepts in accessible terms. Her warm demeanor and technical proficiency have earned strong patient loyalty.
Questions
Does Lumina Eye Care offer direct insurance billing?
Yes, we provide direct insurance billing for eligible patients. Contact our office for details about your specific insurance coverage and requirements.
What types of eye emergencies do you handle?
We treat sudden vision loss, eye injuries, infections, foreign body removal, and acute glaucoma symptoms with same-day appointments available for urgent cases.
Do you have pediatric eye care specialists?
Our optometrists specialize in children's vision care, offering exams starting at age 6 months with age-appropriate testing methods and early detection of developmental issues.
What myopia control options are available?
We offer Ortho-K lenses, MiSight daily disposables, and Miyosmart spectacle lenses with personalized treatment plans for slowing childhood nearsightedness progression.
Are evening and weekend appointments available?
Yes, we offer evening hours Monday-Wednesday until 7pm and Saturday appointments from 10am-4pm for patient convenience.
Do you carry designer eyewear brands?
Our optical boutique features premium eyewear brands with options for various styles, budgets, and vision correction needs, including specialized lens coatings.
Reviews (4)
Sophia S.
Jun 20, 2019 Report
Very friendly and professional staffs, brought my parents and my 4 years old daughter here, staffs tried their best to communicate with my parents in mandarin, and very patient with kid, will definitely recommend to my friends.
Jeremy W.
Nov 22, 2017 Report
I have nothing but kind words to say about lumina eye care and their staff. My father recently had to get his eye checked for an issue with his license. Their website was easy to navigate and making an appointment online took very little time. At their office we were warmly greeted by the receptionist and didn't have to wait long at all for our appointment. I found Dr Yu to be very professional and my father was very happy with the care he received during his eye exam. She answered all of our questions and we left feeling his eyesight is in very good hands. Will definitely keep going to this
Stephen C.
Nov 15, 2017 Report
Lumina Eye Care is highly recommended for all your family's optometry needs.
Dr. Yu is a thoughtful, caring and knowledgeable optometrist. Another key member of the Lumina Eye Care team is Samantha. She has an eye for style and will match you up with the latest in eyewear. Whatever your eye care needs, highly recommend this community optometry.
William L.
Jul 21, 2016 Report
Had a wonderful experience at Lumina Eye Care. Was welcomed by the friendly staff immediately. Dr. Yu was very professional throughout the examination. They have a wide selection of eyewear and the team of Dr. Yu and Samantha assisted me with picking out my new glasses. They definitely have an eye for style. Already recommending Lumina to my family and friends.