1. Instead of receiving laser surgery, an alternative to contact lenses and eyeglasses, Ms. Ward had clear polymer arcs implanted in her near-sighted right eye. 2. Made of a clear polymer that is used to correct cataracts, Intacs are two arcs that are inserted surgically in the periphery of the cornea. 3. PathogenSafe is made from a clear coated polymer joined with structural aluminum. 4. These clear polymer cases will protect your investment. |
每页显示:
共 4 句