Eat Naturally Oily Fish
Examples of such fish include, sardines, trout, mackerel, tuna, and salmon, they all contain omega-3 fatty acids. According to research, these good fats improve the function of the oil glands in your eyes, which can reduce irritation.
Walnuts, vegetable oils (such as canola and soybean oil), and flaxseed are additional foods that are naturally high in omega-3 fats. Omega-3 fatty acids [1] are also available as a pill or tablet. Before beginning any new supplement, check with your doctor to make sure it won’t interfere with any existing conditions or medications you are taking.