Found this informative/interesting viedo,
''The Role of Nutrition in the Management of Ocular Surface Disease, Dr. Paul Karpecki'' - June 2017

*new study shows, moderate caffeine is ok ---which seems to be ok for me too, when I take 2 cups/day (with honey)
*doxy, Omeg 3, 6 fatty acids (DHA/EPA & GLA) benefits & risks
GLA: Gamma linolenic acid: borage oil, evening primrose oil & black currant

*Flaxseed oil: men should be careful with this
*Treatments etc