id	keyword
hindsight-3541	optometry
hindsight-3541	spectacles
hindsight-3541	optical
hindsight-3541	letter
hindsight-3541	vol
hindsight-3541	issue
hindsight-3541	time
hindsight-3541	university
hindsight-3541	american
hindsight-3541	history
hindsight-3541	member
hindsight-3541	years
hindsight-3541	lens
hindsight-3541	o.d
hindsight-3541	new
hindsight-3541	eye
hindsight-3541	library
hindsight-3541	harold
hindsight-3541	board