id	keyword
hindsight-3556	optometry
hindsight-3556	optical
hindsight-3556	eye
hindsight-3556	issue
hindsight-3556	journal
hindsight-3556	light
hindsight-3556	new
hindsight-3556	vol
hindsight-3556	volume
hindsight-3556	time
hindsight-3556	book
hindsight-3556	professor
hindsight-3556	review
hindsight-3556	years
hindsight-3556	page
hindsight-3556	title
hindsight-3556	optician
hindsight-3556	eyes
hindsight-3556	johnston