2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/164263We demonstrate that the data presented in the manuscript by Y. Roichman et al. are not sufficient to show that the circulation of a trapped particle exists in a static optical trap.A comment paper, 5 pages, 2 figuresSoft Condensed MatterComment on Influence of non-conservative optical forces on the dynamics of optically trapped colloidal spheres: The fountain of probability, arXiv:0804.0730v1text