If you�re looking for a new tool to help you teach your patients about laser-assisted in situ keratomileusis (LASIK), Gulden Ophthalmics of Elkins Park, Pa., may have the answer. They�ve introduced a new model of the eye, made of plastic and measuring 14.5 cm in diameter, with LASIK patient education in mind. The model will help you reassure your patients and demonstrate the surgical effects on the focal length of the eye.