TTR and familial amyloid neuropathy: A recent investigation by Pilotte et al. has established the feasibility of using an amyloid-binding fluorescent tracer molecule, AMDX-9101, to identify conjunctival amyloidogenic transthyretin (TTR) deposition in TTR amyloidosis, though studies are needed to characterize the safety and efficacy of this novel diagnostic modality in vivo [146].