id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
hindsight-23578	Bennett, Irving; Mizener, Floyd D.	The RLI (Replacement Lens, Inc.) Story	2017	4	.htm	application/pdf	1668	93	68	Over time the demand for contact lens insurance shrank with the emergence of more affordable disposable soft contact lenses. It was not until the late 1940s that contact lenses, made from polymethyl methacrylate (PMMA), were produced to provide both safe and comfortable wear.	cache/hindsight-23578.htm	txt/hindsight-23578.txt