Clinical Research Directory

Inclusion Criteria: * aged ≥50 years * scheduled for bilateral cataract surgery by phacoemulsification * without current DED treatment, including eye drops, for at least two months before the inclusion * with preoperative OSDI ≤22 points, indicating absence of DED or mild DED * who signed the informed consent and are willing to comply with the protocol requirements based on the investigator's judgment * affiliated with a social security scheme * with an ability to answer questionnaires and to communicate freely in French. Exclusion Criteria: * set to undergo implantation of a multifocal intraocular lens * using contact lenses * with any of the following in the included eye: (i) age-related macular degeneration (AMD), (ii) previous ocular surgery, (iii) abnormal clinical exam of the ocular surface or (iv) undergoing any ocular treatment * with systemic contraindications, including autoimmune diseases (e.g., Sjögren syndrome) * with general contraindications for LLLT or IPL treatment: dark pigmented skin (Fitzpatrick grade ≥5), skin photosensitivity (regardless if innate, pathological or medically-induced), or neurological light sensitivity (e.g. epilepsy, light-induced migraines) * with contraindications for LLLT or IPL treatment limited to the treatment area: history of skin cancer, skin pigmented lesions, as well as fixed/permanent skin piercings, face tattoos, semi-permanent make-up (including microblading) or skin defects * with any concomitant disease or disorder which, in the opinion of the investigator, may put the patient at risk or may influence the result of the study * with protected status under articles L1121-6, LL121-8 and L1122-2 of the French Public Health Code * who cannot comply with the protocol requirements based on the investigator's judgment.