Although often thought of as primarily an outdoor accoutrement lanterns are useful indoors for adding an extra light to areas such as bathrooms especially when a calming glow is desired for a relaxing mood. Plus a glow coming from below eye level can perfectly balance an overhead light.
Another important aspect of lighting a space for those with diminishing eyesight is visual cuing. Visual cuing provides an additional reference point for judging distance or depth when entering a space or approaching objects. The lighting at the base of these cabinets or toe-kick lighting contrasts well with the dark floor and midtone cabinetry creating a readily visible contrast. But people will just think it's cool.
Lighting design is all about the strategic placement of light and matching the perfect light source to its intended function. Indirect lighting pulls focus adds texture and layers the sight line.