An Investigation of FID 123472 Ophthalmic Solution to Vehicle for the Reduction of Ocular Redness in Adults

Key Inclusion Criteria: * Capable of giving signed informed consent and comply with the requirements listed in the Informed Consent Form. * Willing and able to follow all instructions and attend all study visits. * History of redness relief eyedrop use within the last 6 months, or an interest in using over-the-counter redness relief drops, or would benefit from the use of redness relief drops in the investigator's opinion. * Baseline ocular redness score greater than 1 unit on a 5-point scale in both eyes prior to randomization. * Other protocol-defined inclusion criteria may apply. Key Exclusion Criteria: * Known contraindications or sensitivity to the use of any of the study treatment(s) or their components, or any other medication required by the protocol. * Ocular surgical interventions within 6 months prior to Visit 1 or during the study. * Any ocular condition that, in the opinion of the investigator, may compromise the subject's safety or study parameters. * Use of prohibited medications, devices, or treatments as specified in the protocol. * Out of range vital signs (blood pressure and/or pulse rate) as defined in the study protocol. * Abnormal intraocular pressure. * Other protocol-defined exclusion criteria may apply.