Effect of Light-Blocking Lenses on Hyperopic Anisometropic Children

Inclusion Criteria

• •Aged 6 years or older and 12 years or younger;
• •The more hyperopic eye has a spherical refractive error between +3.0 D and +7.5 D; the less hyperopic eye has a spherical refractive error of at least +2.0 D; cylindrical refractive error between -2.0 D and 0 D; interocular difference in spherical power \>=1.5 D and in cylindrical power \<=1.0 D;
• •Best-corrected visual acuity of 0.0 logMAR or better in both eyes;
• •Ocular deviation with spectacles less than 10 prism diopters;
• •Has been wearing standard single-vision spectacles regularly for more than six months;
• •In good general health, capable of receiving the study intervention, and willing to comply with the study protocol;
• •Written informed consent obtained from both the parent/guardian and the child, with agreement to comply with all study procedures and maintain follow-up availability throughout the study period;