Exploring the Impact of Dynamic Defocus Display Schemes on Ocular Health Indicators

Inclusion Criteria: Adults aged between 20 and 40 years, regardless of gender; Refractive anisometropia ≤2.5D and corrected visual acuity of 1.0 or above in both eyes; Habitual long-term use of electronic devices with LED light sources, such as computers and smartphones; Currently not using any other blue light protection products or having ceased the use of such products for at least 2 weeks; No known visually significant ophthalmic diseases; Willing to participate in the trial and having signed the informed consent form. Exclusion Criteria: Abnormal accommodative function or other visual function abnormalities (e.g., strabismus, amblyopia); Severe dry eye or history of ocular medication use; Acute or chronic ocular surface inflammation, keratoconus, history of ocular surgery (e.g., refractive surgery), systemic diseases, or other conditions (e.g., wearing orthokeratology lenses and using atropine); Photosensitivity, history of epilepsy, etc.; Individuals unable to cooperate with the examination.