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.
1 Daily disposable color contact lenses cost between $45 and about $90 per month. 2  Extended wear lenses, which can be worn from one week to three months, cost between $12 and $90 for a monthly supply. 3  Lenses designed for long-term wear, which are replaced annually, cost between $55 and more than $200.