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.
If you replace your contacts approximately every two weeks, this means you need about five boxes (30 lenses) per eye, or a total of 10 boxes per year. This comes to an annual contact lens cost of roughly $220 to $260 (lenses only). A number of factors can change this estimate, including: