Image 2 (IMAGE) Nanyang Technological University Caption The microneedles on the eye patch can be loaded with drugs. Worn like contact lenses, the patch is painless and minimally invasive. The drug is released slowly as the biodegradable microneedles dissolve in the corneal tissue. Credit NTU Singapore Usage Restrictions Use with mandatory credit 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.