The Effect of Lumify™ Eyedrops on Eyelid Position

Inclusion Criteria: * Adults age 18 and above able to provide informed consent to participate * Subject with stable ocular health, defined as no ocular conditions requiring ongoing topical therapy or recent surgical intervention Exclusion Criteria: * Adults unable to consent * Prisoners * Pregnant women. * Known contradictions or sensitivities to study medication (brimonidine) * Ocular surgery within the past 3 months or refractive surgery within the past six months * Grossly abnormal lid margins, anatomical abnormalities, previous eyelid or orbital surgery * Variable ptosis or eyelid position (e.g., myasthenia gravis, thyroid eye disease, or blepharospasm) * Significant pre-existing ptosis of any cause (defined as margin reflex distance 1 \< 1mm) * Any ocular or systemic condition that, in the opinion of the investigator, would confound study data, interfere with the subject's study participation, or affected the subject's safety or trial parameters * Presence of an active ocular infection * Prior (within 5 days of beginning study treatment) use of eye whiteners (eg, vasoconstrictors), decongestants, antihistamines (including over the counter and herbal topical ophthalmic medications), phenylephrine dilating drops, any other topical ophthalmic agents * Inability to sit comfortably for 15 - 30 minutes