Fiber-optic tear test spots LCN1 and VEGF together for diabetic retinopathy
Medical Xpress
February 16, 2026
Tear fluid is emerging as an attractive source of diagnostic information because it can be collected easily and noninvasively. Changes in tear composition often reflect underlying physiological conditions, making tears a valuable medium for monitoring eye diseases. The newly developed biosensor targets two proteins associated with diabetic retinopathy:
Verticals
healthmedical
Originally published on Medical Xpress on 2/16/2026