IMAGE (IMAGE) Kyoto University Caption The new "cornea-on-a-chip" device can reproduce the pressure of moving tears inside a blinking eyelid, and can more accurately test the effects of drugs on the human eye. Credit Mindy Takamiya/Kyoto University iCeMS Usage Restrictions Licensed under CC BY 4.0 License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.