id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
hindsight-20170	Editors, Hindsight	Vol 44, No 3 (2013)	2014	18	.pdf	application/pdf	6875	353	52	Key words: optometric education, optometry books, optometry history. Key words: optometry history, retinoscopy, refraction methods The introduction of retinoscopy was a significant step in the history of clinical refraction in that it provided a relatively accurate objective method for estimating refractive error.	cache/hindsight-20170.pdf	txt/hindsight-20170.txt