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.
Q. How much is the cost for fitting of contact lenses? A. In addition to the eye exam fee, the fitting for contact lenses depend on the type of lenses to be fitted (e.g. for astigmatism or no astigmatism, soft disposable or gas permeable, and level of complexity). The fitting fee can range from $32 to $300.