Evaluation of the Safety, Systemic Pharmacokinetics, and Tolerability

Key Inclusion Criteria: * Are able to read, understand and provide written informed consent on an Informed Consent Form (ICF) approved by the Institutional Review Board (IRB)/Independent Ethics Committee (IEC). * Be a non-smoking male or female at least 18 years of age on the date the ICF is signed and with the capacity to provide voluntary informed consent. * Be in general good health and free of any concomititant conditions or treatment that could interfere with study conduct, influence the interpretation of study observations/results, or place the subject at increased risk during the study. * Be willing/able to return for all required study visits and follow instructions from the study Investigator and his/her staff. * Are able to self-administer eye drops or have a clinical staff member deliver the single dose of investigational product (IP) on specified study days. * Have a normal physical examination and clinical laboratory evaluation Key Exclusion Criteria: * Have a history/presence of chronic generalized systemic disease that the Investigator feels might increase the risk to the subject, confound the result(s) of the study, or preclude study treatment or follow-up. * Have any current disease or medical condition that requires medicinal therapy. * Have a history of drug or alcohol abuse in the last 6 months. * Have a positive urine screen for alcohol, amphetamines, barbiturates, benzodiazepines, cocaine (or cocaine metabolite), cannabinoids, methadone, methamphetamine, opiates and/or phencyclidine. * Are known to have a prior positive blood screen for hepatitis B surface antigen, hepatitis C antibody, or human immunodeficiency virus types 1 and 2.