@article{ref1,
title="Functional model for eye protection program",
journal="Journal of the American Optometric Association",
year="1989",
author="Holder, J. F.",
volume="60",
number="7",
pages="502-503",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-0244",
doi="",
url="http://dx.doi.org/"
}