From: Sublethal Photic Stress and the Motility of RPE Phagosomes and Melanosomes Invest. Ophthalmol. Vis. Sci.. 2009;50(4):1940-1947. doi:10.1167/iovs.08-2671 Figure Legend: Motility of phagocytized black latex beads in ARPE-19 cells (upper) and endogenous melanosomes in porcine RPE cells (lower) after sublethal blue light treatment. Each panel shows a bright-field image of the cells illustrating the organelles, a graphical display of the movement of a single representative organelle before (baseline), during (blue light), and after light treatment (interval 2) and comparison of the mean distance traveled at baseline interval 1 (open bars) and interval 2 (solid bars) in control and light-treated cultures. Data are the total distances traveled over 30 minutes (mean ± SD) for 22 to 30 organelles per group. Organelles in treated but not control cells moved significantly more slowly during interval 2 (P < 0.05, t-test). Date of download: 12/27/2017 The Association for Research in Vision and Ophthalmology Copyright © 2017. All rights reserved.