A Photochromic Copolymer Hydrogel Contact Lens: From Synthesis to Application

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Hydrogels</td><td class="align_center">Mass ratio (%)</td></tr><tr class="thead"><td class="align_center">HEMA : NVP : SPO</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Hydrogel 1</td><td class="align_center">100 : 0 : 0</td></tr><tr><td class="align_left">Hydrogel 2</td><td class="align_center">75 : 25 : 0</td></tr><tr><td class="align_left">Hydrogel 3</td><td class="align_center">60 : 40 : 0</td></tr><tr><td class="align_left">Hydrogel 4</td><td class="align_center">60 : 40 : 3</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Composition of initial reaction mixtures used for the preparation of polymer hydrogels.

International Journal of Polymer Science

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Table 1

Table 1: A Photochromic Copolymer Hydrogel Contact Lens: From Synthesis to Application 