Name	Info	Provider	Link
Eye Wear	free resource	MedlinePlus Health Information	https://medlineplus.gov/eyewear.html
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:18579755
	subscription/membership/fee required	Silverchair Information Systems	https://iovs.arvojournals.org/article.aspx?doi=10.1167/iovs.07-0385