The light we can see is only one part of all the electrical and magnetic energy buzzing around our world. Radio waves, X rays, gamma rays, and microwaves work in a very similar way. All together, this energy is called the electromagnetic spectrum.
There is no difference in effect between In-Person or Distance Healing sessions when it comes to Reconnective Healing as this is a quantum modality. Reconnective Healing frequencies are light (consciousness) and information (experiences clients may access during sessions) - a force - so there is no weakening over distance.