What is the best brand for free preservative artificial tears and omega-3 fatty acid ? does restasis has a preservative ?

Sjogren's: If you have sjogren's as the cause of your dry eyes, preservatives can cause more ocular irritation compared to a person who does not have sjogren's. I honestly do not know which one is the best though systane is popular. Flax seed oil which has omega 3 has studied in sjogren's and demonstrated improved with dry eyes. Your eye doctor would need to answer the ? About Restasis preservatives.