A fear for light.

A sun since long time ago understood  as for light  source for warm and life, as his using in cure as very old,like are persons, but sun and water had been a maximal near and light remedies, where in Egypt's Faraon used a sun rays, and messaged as by Hippocrates, Klavdia, Kornelia Tsels.
As a sun a first radiation source for the photo therapy, as where having a power effect and non stable polarization. As all for vital on Earth happened in futon sphere, as a life must to be attaching to futon sources and  entering theirs in system for information donating. As many of bio chemo processes are happening with a futons generalization, as an a possible,that theirs weak top light sources are base becoming for information metabolism between organisms and theirs structures. An information role for inside light sources are documenting with an activity of vision analyzer,as to the vision organ display in special structure for attending for light sources are being with many of cells kinds,therefore,that  rudimentary light sensitiveness of cells in a high animals are very spreading, but a very poor studied.