Tear Film Stability After Instillation of Over-the-Counter (OTC) Artificial Drops

Inclusion Criteria: * Individuals aged 18 and up will be included, where any age over 89 will be recorded as 'greater than 89.' * Individuals with bilateral eye sight eye correctable to 20/80 or better. * Individuals in good health with or without Meibomian Gland Dystrophy (MGD) but with Aqueous Tear Deficiency (ATD) with minimal to no ocular surface inflammation on slit lamp examination. Exclusion Criteria: * Individuals with only one sighted eye or vision not correctable to 20/80 or better in both eyes. * Individuals with history of punctal plugs or punctal occlusions. * Individuals with history of keratorefractive as well as ophthalmic disease such as corneal dystrophies, glaucoma, or systemic disease affecting the eye (such as Herpes Zoster). * Individuals with history of systemic or ocular auto-immune conditions. * Individuals with active systemic disease or those taking systemic medication that are known to influence AT production will not be considered for this trial. * Individuals using topical medication who are unable to discontinue them for at least 24 hours prior to baseline evaluation will be excluded as well.