CAPTCHA as a Visual Performance Metric in Active Macular Disease.
Gaurav K ShahAaron Y LeeKasra A RezaeiLisa C Olmos De KooYewlin E CheeJennifer R ChaoCatherine EganCecilia Sungmin LeePublished in: Journal of ophthalmology (2019)
Distance VA and contrast sensitivity are positively correlated with the presence of IRF and SRF in active macular disease. CAPTCHA performance did not appear to be a significant predictor of either IRF or SRF in our pilot study.