Portable Handheld Slit-Lamp Based on a Smartphone Camera for Cataract Screening

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Focal length</td><td class="align_center">25.98 mm</td></tr><tr><td class="align_left">Total length of the system (total length of the light path of the three sets of lenses)</td><td class="align_center">23.36 mm</td></tr><tr><td class="align_left">Work F/# (imaging capability)</td><td class="align_center">15.28 mm</td></tr><tr><td class="align_left">Height</td><td class="align_center">15 mm</td></tr><tr><td class="align_left">Distance</td><td class="align_center">40 mm</td></tr><tr><td class="align_left">Magnifying power</td><td class="align_center">10</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main design parameters of microlens.</div>

Journal of Ophthalmology

tab1

Table 1

Table 1: Portable Handheld Slit-Lamp Based on a Smartphone Camera for Cataract Screening 