Abstract: Optical bridges including a bridge body configured to be mounted directly or indirectly onto a head-worn device and at least one rail operatively engaged with the bridge body, in which the at least one rail having a first end and a second end. The optical bridges also include a first stopblock located at or proximate to the first end and a second stopblock located at or proximate to the second end. The at least one rail has a first side portion located between the first stopblock and the bridge body and a second side portion located between the second stopblock and the bridge body. Systems including an optical bridge and one or more optical devices directly or indirectly releasably coupled to the optical bridge are also provided.