Study of Non-inferiority Between Manzanilla Sophia® and Meticel Ofteno® 0.5% for Providing a Soothing Sensation to the Eyes.

Inclusion Criteria: * Having the ability to voluntarily give their signed informed consent. * Being able to and willing to comply with scheduled visits, treatment plan, and other study procedures. * Age ≥18 years. * Women of childbearing potential who have not undergone Bilateral Tubal Occlusion (BTO \[Tubal Ligation\]), hysterectomy, or bilateral oophorectomy must ensure continuation (initiated ≥ 30 days prior to signing the informed consent form \[ICF\]) of the use of a hormonal contraceptive method or intrauterine device (IUD) during the study period. * Present on the analog visual eyestrain test score ≥ 3 on at least 4 of the included questions. Exclusion Criteria: * History of hypersensitivity to any of the components of the drugs under investigation. * Use of contact lenses for a period less than two weeks prior to the start of the study, and during the intervention period of this study. * In the case of women: being pregnant, breastfeeding, or planning to become pregnant within the study period. * Having participated in any clinical research study 30 days prior to inclusion in this study. * Having previously participated in this same study. * Having a single functional eye. * Having a history of drug addiction or drug dependence current or within the last two years prior to signing the informed consent. Elimination Criteria: * Withdrawal of their consent to participate in the study (informed consent form). * Occurrence of a serious adverse event, whether related or not to the interventions, that in the opinion of the principal investigator (PI) and/or the sponsor, could affect the patient's fitness to safely continue with the study procedures. * Non-tolerability or hypersensitivity to any of the drugs under investigation.