Dr. McKnight is a native of Tupelo and graduate of Tupelo High School. She received her undergraduate degree from the University of Mississippi, where she was a member of The National Society of Collegiate Scholars and The National Society of Leadership and Success. She received her Doctorate of Optometry from Southern College of Optometry, graduating cum laude. Dr. McKnight was the recipient of the Mississippi State Seat Scholarship and a member of Beta Sigma Kappa Honor Society.
Dr. McKnight completed her externship at The Eye Center in Memphis, Tennessee, working with adult and pediatric patients. Her training included treatment and management of glaucoma, macular degeneration, diabetic retinopathy, hypertensive retinopathy, dry eye, ocular trauma, and cataract post-operative care. She has worked extensively with patients for fitting of glasses and contact lenses, as well as low vision.