The below study was published in 2011 so the cost is likely now above $4 billion and rising.
In 2008 it was about $3.84 Billion. This is likely an underestimation as often dry eye presents itself as allergy as well. Dry eye is now impacting peoples livelihood and impacting the US economy in other not so obvious ways in terms of productivity.
The economic cost of cancer is $80-85 Billion
Cornea. 2011 Apr;30(4):379-87. doi: 10.1097/ICO.0b013e3181f7f363.
The economic burden of dry eye disease in the United States: a decision tree analysis.
A few global facts and figures for two common allergic diseases: asthma and
Australia 2007 23 million All
Finland 2005 5.3 million All
2005 50 million Asthma
Israel 7.5 million Asthma – – US250
Mexico 2007 103 million Asthma US$35
* Direct costs: Expenditure on medications and health care provision
** Indirect costs: Cost to society from loss of work, social support, loss of taxation income, home
modifications, lower productivity at work, etc
Source: Member Society Reports in: Pawankar R, Canonica GW, Holgate ST, and
Lockey RF, editors. WAO White Book on Allergy (World Allergy Organization), 2011.
Prepared for World Allergy Week 4-10 April 2011