可能包括影响干眼症的环境和职业因素。[1]International Dry Eye Workshop. The definition and classification of dry eye disease: report of the Definition and Classification Subcommittee of the International Dry Eye Workshop (2007). Ocul Surf. 2007;5:75-93.http://www.tearfilm.org/dewsreporthttp://www.ncbi.nlm.nih.gov/pubmed/17508116?tool=bestpractice.com[9]Perry HD. Dry eye disease: pathophysiology, classification, and diagnosis. Am J Manag Care. 2008;14(suppl):S79-S87.http://www.ajmc.com/publications/supplement/2008/2008-04-vol14-n3suppl/apr08-3141ps079-s087http://www.ncbi.nlm.nih.gov/pubmed/18452371?tool=bestpractice.com更换职业通常不必要，除非症状与工作之间有明确的关系（例如在远离工作时症状完全停止）。去除泪液生成减少或者泪液蒸发增加的因素通常就足够。[49]American Academy of Ophthalmology Cornea/External Disease Panel, Preferred Practice Patterns Committee. Dry eye syndrome. San Francisco, CA: American Academy of Ophthalmology (AAO); 2013.http://www.aao.org/preferred-practice-pattern/dry-eye-syndrome-ppp--2013在使用计算机时定时休息以增加眨眼频率，并且可以帮助防止恶化。[50]Tsubota K, Nakamori K. Dry eyes and video display terminals. N Engl J Med. 1993;328:584.http://www.ncbi.nlm.nih.gov/pubmed/8426634?tool=bestpractice.com
