Presbyopia. National Eye Institute (NIH). https://www.nei.nih.gov/eye-health-information/eye-conditions-and-diseases/presbyopia. Date Accessed February 6, 2026.
Dry Eye. National Eye Institute (NIH). https://www.nei.nih.gov/eye-health-information/eye-conditions-and-diseases/dry-eye. Date Accessed February 6, 2026.
Farsightedness (Hyperopia). National Eye Institute (NIH). https://www.nei.nih.gov/eye-health-information/eye-conditions-and-diseases/farsightedness-hyperopia. Date Accessed February 6, 2026.
Computer Vision Syndrome (Digital Eye Strain): What It Is. Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/24802-computer-vision-syndrome. Date Accessed February 6, 2026.
Blurred Vision: Symptoms, Causes & Treatments. Cleveland Clinic. https://my.clevelandclinic.org/health/symptoms/24262-blurred-vision. Date Accessed February 6, 2026.