Eye Color Mutations in Fruit Fly (IMAGE) University of Leicester Caption Eye color mutations in the fruit-fly are being used to study degeneration of photoreceptor neurons, which may have relevance to conditions such as Huntington's disease. This image was taken using a light microscope. Credit University of Leicester Usage Restrictions Use only with 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.