10 Housemark for a full line of ophthalmic and dermatological surgery and treatment instruments and components thereof, namely, lasers, photocagulators, phacoemulsifiers, vitrectomy instruments, intraocular lenses, injectors, keratomes, knives; Housemark for a full line of ophthalmic medical and diagnostic examination machines, instruments and components thereof, all for medical, diagnostic, treatment and therapeutic purposes, namely, refractometers, keratometers, tonometers, refractors, visual acuity charts, visual acuity projectors, corneal topographeres, lensmeters, ultrasonic scanners, pachymeters, ophthalmometers, slitlamps, pupil distance meters, fundus cameras, perimeters, and microscopes; Housemark for trial lens sets, namely, devices consisting of a set of lenses of various dioptric powers intended to be handheld or inserted in a trial frame for vision testing to determine refraction; Hospital supportive equipment, namely, tables and chairs for ophthalmic use