A substance intended to provide supplemental lubrication/hydration to the natural eye to treat dry, tired, irritated, and/or strained eyes resulting from dry eye syndrome, ageing/hormone changes (menopause), or environmental factors (e.g., medications, pollution, computer use, air conditioning, allergy); some types may in addition be intended to wet contact lenses during wear. It may be a topical solution, spray, suspension, or gel applied to the eyes or eyelids, and may have special formulations (e.g., intensive, night use). It is intended for use in the home or healthcare facility (single dose or multidose). After application, this device cannot be reused.