IVCM	in vivo confocal cornea microscopy
MG	monoclonal gammopathy
MGOS	monoclonal gammopathy of ocular significance
MGUS	monoclonal gammopathy of undetermined significance
MM	multiple myeloma
MGCS	monoclonal gammopathy of clinical significance
PPK	paraproteinemic keratopathy
ITK	immunotactoid keratopathy
OCT	optical coherence tomography
BCVA	best corrected visual acuity
AL	anterior stromal layer
ML	middle stromal layer
PL	posterior stromal layer
TL	complete corneal stroma
CXL	collagen crosslinking