Wearing glasses as a child is essential and safe for physically correcting the trajectory of light toward the retina. Avoiding glasses in favor of supplements or eye exercises exposes the child to permanent vision loss in one eye.

noli's read

This advice is based on extremely solid scientific foundations. According to the American Academy of Ophthalmology (AAO) guidelines, failing to correct a focusing defect in a young child can disrupt the natural development of their sight and cause permanent vision loss in one eye (commonly called lazy eye). Furthermore, a systematic evaluation by the AAO has confirmed that eye exercises and dietary supplements have no efficacy in correcting myopia or astigmatism. While visual therapy has utility validated by Cochrane collaboration meta-analyses for specific coordination difficulties (such as convergence insufficiency), it can in no way replace corrective lenses. Glasses act simply as a passive, safe physical tool to guide light and support daily visual comfort.

the sources

No named source held this one up — that absence is part of the verdict.