@article{ref1,
title="Hydrocurve II bifocal contact lenses: a clinical perspective",
journal="CLAO journal",
year="1988",
author="Josephson, J. E. and Caffery, B. E. and Stein, H. A. and Harrison, K.",
volume="14",
number="2",
pages="86-88",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0733-8902",
doi="",
url="http://dx.doi.org/"
}