It can also be caused by. 1  chemicals. 2  contact lens wear(https://www.cdc.gov/contactlenses/index.html) (especially wearing lenses overnight) 3  foreign bodies in the eye (like a loose eyelash) 4  indoor and outdoor air pollution caused, for example, by chemical vapors, fumes, smoke, or dust. 5  fungi.
Voluntarism, sometimes referred to as voluntary action, is the principle that individuals are free to choose goals and how to achieve them within the bounds of certain societal and cultural constraints, as opposed to actions that are coerced or predetermined. 1 Volunteerism. 2 Varieties.
Definition. Individualism refers to the idea that the rights, beliefs and responsibilities of each person should be more prominent than the rights, beliefs and responsibilities of a group.In business, the this is a fundamental concept because the initiative that individualism allows creates a basis for capitalist entrepreneurship.The contrast to individualism is collectivism, or the concept that interpersonal relationships -- and thus groups -- are more important than each individual.he contrast to individualism is collectivism, or the concept that interpersonal relationships -- and thus groups -- are more important than each individual.