A humidifier can add moisture to too-dry the atmosphere. Laser surgery, tear gland damage and eyelid problems which don't allow anyone to blink as often, which spread the tears, also cause dry eye. If a person suffers from Dry Eyes, you need your eye doctor to discuss possible treatments. https://www-opticaljournal-Com.Webpkgcache.com/doc/-/s/www.opticaljournal.com/graft-vs-host-dry-eyes-finding-relief/