Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/dry-eyes/symptoms-causes/syc-20371863
Diakses pada April 2019American Optometric Association. https://www.aoa.org/patients-and-public/eye-and-vision-problems/glossary-of-eye-and-vision-conditions/dry-eye
Diakses pada April 2019Jakarta Eye Center. https://jec.co.id/id/blog/162/dry-eye-syndrome
Diakses pada April 2019