From: Chronic dry eye symptoms after LASIK: parallels and lessons to be learned from other persistent post-operative pain disorders
Nerve fiber type
Associated markers
Somatosensory (mechanical)
NF-200
Somatosensory (nociceptive)
Peptidergic
CGRP
SP
PACAP
Galanin
Non-peptidergic
FRAP
Autonomic
Sympathetic
NE
5-HT
NPY
Parasympathetic
Ach
VIP