Another one is to make a paste from egg yolk, some milk powder and honey. Eye strain really common, about 70 percent of those who perform extended visual task have this problem. Beta Carotene which usually rich in Vitamin A also helps optimize eye health. http://Axwang.net/__media__/js/netsoltrademark.php?d=www.Opticaljournal.com%2Feye-drops-or-autologous-serum-for-dry-eye-relief%2F