Screening Cardiovascular Diseases from Scleral Images using Smart Phones: Preliminary Results
In this work, we present preliminary results of a smartphone-based system that uses scleral vasculature features as biomarkers for cardiovascular diseases (CVD). The work is motivated by the clinically confirmed micro-vascular changes associated with CVDs. Images of the sclera are acquired using smart phones, and processed to extract the tortuosity of the scleral arterioles and venules. Results from 11 human subjects (6 with CVD; 5 normals) showed significant difference (p<0.05) of the venular tortuosity between the two groups: patients and normal subjects.