Clear mask could let you see smiles while blocking germs

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults 18 years of age or older. * Able to understand the study procedures and provide written informed consent. * Willing and able to wear the SEEUS95 transparent respirator for approximately 30 minutes and, for selected participants, during an extended-duration wear evaluation. * Able to complete study questionnaires and provide verbal or written feedback regarding comfort, fit, breathability, communication, visibility, and usability. * In generally good health, with no medical condition that would preclude wearing a respirator for the duration of the evaluation. * Willing to comply with all study procedures and scheduled assessments. * Healthcare workers, clinical staff, or individuals with experience using respiratory protective equipment. Exclusion Criteria: * Under 18 years of age. * Unable or unwilling to provide written informed consent. * Known allergy or hypersensitivity to silicone, medical-grade adhesives, or other materials used in the SEEUS95 respirator. * Active respiratory infection or acute illness at the time of participation. * Significant respiratory disease or other medical condition that, in the opinion of the investigator, could make respirator use unsafe (including severe uncontrolled asthma, chronic obstructive pulmonary disease requiring supplemental oxygen, or severe cardiopulmonary disease). * Facial skin conditions, open wounds, burns, or dermatologic disorders that could be aggravated by wearing an adhesive respirator. * Facial hair or facial anatomy that would prevent an adequate respirator seal. * Physical or cognitive impairment that would interfere with the ability to safely wear the respirator or complete study procedures. * Participation in another clinical study that, in the opinion of the investigator, could interfere with study participation or interpretation of the results.