montygram wrote: :: Look at the details - they are talking "associations." The :: underlying mechanism for catardacts is free radical damage, and that :: has been known for a long time now. Omega 3s and 6s are very :: susceptible to free radical degradation, and Eskimos on "traditional :: diets" (high in omega 3s) do have eye problems related to free :: radical damage, so these people are no aware of the literature that :: is directly related to their studies.
Eskimos also eat very little vegetables, fruits and berries which contain eye-protective antioxidants. Lutein and zeaxanthin are very important for preserving health of eyes. So it is not quite as simple as you state.