Clinical Research Directory

Inclusion Criteria: * A willing person, fluent in French, inclined to follow protocol, capable of reading and understanding the information form, and able to give their free and informed consent. * Beneficiary of the French Social Security system * Aged 18 to 65 years * No or moderate ocular correction (Spherical prescription for distance vision: in the range \[-8.00 to +6.00 D\]\* (negative cylinder) for each eye; Cylindrical prescription for distance vision: in the range \[0 to -4.00 D\] for each eye; Anisometropia ≤ 2.00 D on the equivalent sphere) * Correct vision with prescription glasses (Corrected visual acuity +0.10 logMAR or better (distance vision / high contrast / photopic luminance) * Regular user of sunglasses at least in bright light conditions Exclusion Criteria: * Age \< 18 years (i.e., no minors in accordance with Article L1121-7 of the Public Health Code of "Code de Santé Publique") * Pregnant, parturient, or breastfeeding women (Article L1121-5 of the Public Health Code of "Code de Santé Publique") * Persons deprived of liberty by judicial or administrative decision and persons hospitalized without consent under Articles L. 3212-1 and L. 3213-1 who do not fall under the provisions of Article L. 1121-8, and persons admitted to a health or social institution for purposes other than research * Adults incapable or unable to express their consent (Article L1121-8 of the Public Health Code of "Code de Santé Publique") * Participant in the exclusion period of another biomedical research study * Participant who cannot be contacted in case of emergency * All categories of persons particularly protected under French law are excluded from this research (Articles L1121-5 to L1121-9 of the Public Health Code) * Employees at the Institut des Sciences de la Vision or EssilorLuxottica * Ocular pathology that may affect vision (e.g., glaucoma involving visual field loss, maculopathy involving visual acuity loss, or retinitis pigmentosa causing significant discomfort in poorly or overly lit environments) * Neurological deficit, including a history of epileptic pathology or regular or severe migraines * Ocular surgery affecting vision (e.g., refractive surgery, cataract surgery, or iridectomy) * Ocular or head trauma