Mitochondrial disease is a group of disorders caused by dysfunctional mitochondria, the organelles that generate energy for the cell.itochondrial diseases are sometimes (about 15% of the time) caused by mutations in the mitochondrial DNA that affect mitochondrial function.
1 Surface-mounted light â the finished housing is exposed, not flush with surface. 2  Chandelier. 3  Pendant light â suspended from the ceiling with a chain or pipe.  Sconce â provide up or down lights; can be used to illuminate artwork, architectural details; commonly used in hallways or as an alternative to overhead lighting.
Natural Bright Light, constricts the pupils which are dialated at night, and with the color temperature of LED white light, and constricted pupils, the light emitted from an LED Fixture is perceived at a higher level than traditional metal halide. This makes illuminated surfaces appear brighter under LED Light at night.