Fly larva eye (IMAGE) Walter and Eliza Hall Institute Caption A fly larva eye under the microscope – the specialised neurons inside it have been made to overexpress Tom40 protein which fluoresces red Credit Agalya Periasamy / WEHI Usage Restrictions Must credit WEHI if using License Original 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.