Thank you, bluesfan, I will post again once I’ve done more research into possible alternative supplements.

I also developed dry eyes about a year ago, and discovered that artificial preservatives in eye lubricants can possibly damage the ocular surface, especially a product called BAK. Here is a link to an article that discusses the various products and preservatives:

http://www.dryeyezone.com/encycloped...ervatives.html

A few months ago I switched to Soothe lubricant eye ointment by Bausch & Lomb, which is preservative free.