Ophthalmoscopes; Eye droppers for medical purposes; Eye protectors for post-surgery eye protection; Lasers for the cosmetic treatment of the face, skin, hair follicles; Massage apparatus and instruments; Massage apparatus for eyes; Medical and therapeutic device and apparatus, namely, a force and motion sensing apparatus and assisted exercise machine for the rehabilitation of hands and wrists, feet and ankles, knees affected by neuromuscular diseases, disorders, or injuries for home or clinical use; Medical apparatus, namely, an injectable oxygen delivery system comprising an oxygen device which produces nanobubbles and nanobatteries to prevent or treat eye disease; Nasal irrigation vessel; Optometric instruments for locating the optical center of ophthalmic lenses; Otolaryngology instruments; Sanitary masks for medical purposes; Therapeutic eye hydration goggles for the treatment of dry eyes