U.S. Dry Eye Disease Diagnostic Devices Market: Introduction According to the report, the dry eye disease diagnostic devices market in the U.S. was valued at US$ 58.3 Mn in 2020 and is projected to expand at CAGR of 4.4% from 2021 to 2031. Dry eye disease diagnostic devices include anterior segment OCT (AS-OCT), meibography device, corneal topographer, and osmolarity testing device. The usage of dry eye disease diagnostic devices can be classified based on the parameter measured into tear film osmolarity, tear turnover, functional visual acuity, tear volume, tear film stability, tear film composition, ocular biomarkers, and others.