Name	Info	Provider	Link
Refractive Errors	free resource	MedlinePlus Health Information	https://medlineplus.gov/refractiveerrors.html
	subscription/membership/fee required	Cambridge University Press	https://www.cambridge.org/core/product/identifier/S0952523816000067/type/journal_article
	free resource	scite Smart Citations	https://scite.ai/reports/27485367