1. Lacrimal drainage function: 1. The Jones fluorescein test;Zappia, R.J.; Milder, B.;Am J Ophthalmol,1972
2. Lacrimal drainage function: 2. The fluorescein dye disappearance test;Zappia, R.J.; Milder, B.;Am J Ophthalmol,1972
3. Tear function index: a new measure of dry eye;Xu, K.-P.; Yagi, Y.; Toda, I.; Tsubota, K.;Arch Ophthalmol,1995
4. Determination of tear volume and tear flow;Mishima, S.; Gasset, A.; SD, Jr, Klyce; Baum, J.L.;Invest Ophthalmol Vis Sci,1966
5. Fluorophotometric measurement of human tear turnover rate;Occhipinti, JR, Mosier; MA, LaMotte; J, Monji; G.T.;Curr Eye Res,1988