Child Wearing a Contact Lens (image) NIH/National Eye Institute Caption This photo shows a child wearing a contact lens. A green dye is used to evaluate the fit of hard lenses. Credit Dr. Scott Lambert, Emory University Usage Restrictions Please, credit Dr. Scott Lambert, Emory University. 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.