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.
Most contact lens wearers today are nearsighted and choose disposable soft contact lenses. If you wear disposable contacts daily and discard and replace them every two weeks â the most common lens replacement schedule recommended by eye doctors â you can expect to pay roughly $220 to $260 for a year's supply of lenses and another $150 to $200 on contact lens solutions, for a total annual cost of roughly $370 to $460 to wear contact lenses.