11.   One of the applications Whitesides is now working on is making microscopic lenses that could be used in fiberoptic communications networks.

12.   Proper lenses should be made of polycarbonate and bear an ASTM approval label indicating that they meet the standards of the American Society for Testing Materials.

13.   The intraocular lens is made from polymethyl methacrylate, and is said to be more biocompatible with the eye.

14.   The Minneapolis-based company makes fine screens used to sharpen pictures in TV picture tubes and computer monitors, and makes lenses as well.

15.   The Swedish researchers, writing in the journal Nature, have described a new way of making a lens that has straight surfaces.

16.   The lawsuit contends Plummer made defective lenses in order to cut manufacturing costs.