for Teachers for Schools for Companies. Sulfur is a major mineral of the body that is part of certain amino acids and helps with many bodily processes. Learn what happens if you do not get enough of the mineral through your diet and what happens, if anything, when too much is ingested in this lesson.
Special-effect contacts (also called theatrical contact lenses, costume contacts and gothic contact lenses) are popular for Halloween and costume parties. These lenses typically are sold separately in individual glass vials and can range in price from $50 to more than $200 per lens.
While these lenses cost less on a unit basis than conventional lenses, by the time you purchase a year's supply, if you are one of those consumers still buying your contacts at the doctor's office, you can easily spend $600-$700 per year.oreover, daily-disposable contacts are generally considered the safest and healthiest type of contact lenses because the use of a fresh pair of lenses every day minimizes the chance for build-up of harmful pathogens on the lens surface. Each of the major US contact lens manufacturers offers a daily disposable contact.