41 Medical training and teaching in the field of topographic guided laser eye surgery; medical training and teaching in the methods and materials used in topographic guided laser eye surgery; Educational services, namely, conducting classes, seminars, conferences, and workshops in the field of laser eye surgery and distribution of educational materials in connection therewith; Educational services, namely, conducting classes, seminars, conferences, and workshops in the field of topographic guided laser eye surgery and distribution of educational materials in connection therewith; Educational services, namely, conducting classes, seminars, conferences, and workshops in the fields of laser eye surgery software, performing laser eye surgery, and preparing laser eye surgery treatment plans and distribution of educational materials in connection therewith; Educational services, namely, conducting classes, seminars, conferences, and workshops in the fields of cataract surgery, cataract surgery software, and cataract surgery software and distribution of educational materials in connection therewith; Educational services, namely, conducting classes, seminars, conferences, and workshops in the fields of astigmatic surgery, astigmatic surgery software, and astigmatic surgery treatment plans and distribution of educational materials in connection therewith; Educational services, namely, conducting classes, seminars, conferences, and workshops in the fields of intraocular lens calculations, intraocular lens calculation software, and treatment plants for intraocular lens calculations and distribution of educational materials in connection therewith