1. Zhang S. Environment and health. Beijing: Social Sciences Academic Press; 2011.
2. Xu H. Analysis of allergic conjunctivitis with dry eye in children. J Med Forum. 2010;21(5):117.
3. Gehlsen U, Cursiefen C, Steven P. Basic immunology and current therapeutic concepts in ocular allergy. Klin Monatsbl Augenheilkd. 2014;231(5):490–5.
4. The Definition and Classification of Dry Eye Disease: Report of the Definition and Classification Subcommittee of the International Dry Eye Workshop (2007). OculSurf. 2007;5:75–92.
5. Rahman A, Yahya K. Validity of symptoms as screening toll for dry eye. Pak J Ophthalm. 2007;23(4):198–203.