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

In this paper, we invented a small portable device for screening cataract. This device is to make screening and diagnosis of cataract in remote areas very fast and effective. It will also solve the problem of inadequate specialized doctors and equipment in those areas as well. <i>Translational Relevance.</i> Smartphones can be used with portable slit-lamps to capture the images of the lens.