David Spengler

David Spengler, OD, FAAO, is the founder of Quantifeyed, Western New York’s first sports vision-focused practice, established in June 2023, specializing in visual optimization for elite performance. Currently serving as the head optometrist at Best Vision and an optometrist with ONSITE VISION PLANS, INC, David Spengler has extensive experience in the field, having held various roles in optometry since 2019, including positions at SightRite Eye Care Services and EyeCare Associates, PC. David Spengler completed an optometry residency in vision therapy and neuro-rehabilitation and has a Doctor of Optometry degree from the State University of New York College of Optometry, complemented by a Bachelor of Science in Psychology from the University at Buffalo.