Szczesna, Dorota H., D. Robert Iskander, and Henryk T. Kasprzak. “Evaluating the Clinical Utility of Noninvasive Methods for Measuring Tear Film Surface Quality”. Photonics Letters of Poland 3, no. 1 (March 31, 2011): pp. 35–37. Accessed June 17, 2024. https://www.photonics.pl/PLP/index.php/letters/article/view/3-13.