Doctors & Staff
Meet the experienced and friendly doctors and staff who make Vision Source Trophy Club the leading provider of vision care products and services in Trophy Club.
Kelvin Lam, O.D.
Dr. Kelvin Lam (kelvinlam@visionsourcetrophyclub.com) opened Vision Source Trophy Club in 2015. He attended the University of St. Thomas and the University of Houston for his undergraduate degree. He received his Doctor of Optometry degree from the University of Houston in 2013. Dr. Lam completed his internships at the Indian Health Service in Albuquerque, NM and at a community clinic in the inner city of Houston, Texas. There, he focused on treating patients with ocular diseases such as glaucoma, cataracts, and especially diabetes. Dr. Lam is a licensed Therapeutic Optometrist and Optometric Glaucoma Specialist and he is a member of the American Optometric Association (AOA) and the Texas Optometric Association (TOA).
At his practice, Dr. Lam strives to be the patient’s primary care physician for everything concerning their eye health and vision. He has special interests in fitting multifocal contact lenses and co-management of LASIK and Cataracts, as well as routine eye exams. He also routinely diagnoses and manages acute and chronic eye diseases, including ocular trauma, infection, and retinal disease.
Dr. Lam grew up in Spring,TX. He moved to north Texas with his wife after they both graduated from the University of Houston College of Optometry. They moved to Roanoke, TX in 2015 and plan on raising their family there. During his spare time, Dr. Lam enjoys biking, watching movies, cooking, and brewing beer at home.

Kim Nguyen, O.D.
Dr. Kim Nguyen is a licensed therapeutic optometrist and optometric glaucoma specialist. Dr. Nguyen earned her Doctorate in Optometry from the University of Houston College of Optometry where she graduated Cum Laude. Prior to this, she graduated from the University of Waterloo and received a Bachelor of Science in Biomedical Science, with minors in both Psychology and Biology. Dr. Nguyen has been caring for her patients since graduating in 2013.
Dr. Nguyen completed her clinical externships at the Eye Center of Texas and Berkeley Eye Center in Houston, Texas. She provided primary care and treatment of ocular diseases including dry eye, glaucoma, and macular degeneration. In addition, she received training in pre and post-operative care for cataract and LASIK patients. Dr. Nguyen performs routine exams, specialty contact lens evaluations, post-operative care and provides treatment of ocular pathologies.
Dr. Nguyen was born and raised in Toronto, Canada. Her husband is also an optometrist (the handsome doctor on top of this page), and they have a young son together. In her spare time she enjoys baking, gardening, traveling, and spending time with family and friends. Dr. Nguyen is a longstanding active member of the Texas Optometric Association as well as the American Optometric Association.