DED	dry eye disease
ROS	reactive oxygen species
LPO	lipid peroxide
HEL	hexanoyl-lysine
4-HNE	4-hydroxy-2-nonenal
MDA	malondialdehyde
MPO	myeloperoxidase
NOS	nitric oxide synthase
8-OHdG	8-hydroxy-2′-deoxyguanosine
COX2	cyclooxygenase-2
GSH	glutathione
SOD	superoxide dismutase
CAT	catalase
GPX	glutathione peroxidase
GSTP1	glutathione s-transferase P
HO-1	heme oxygenase-1
3-NT	3-nitrotyrosine
BAC	benzalkonium chloride
NO	nitric oxide
HCECs	human corneal epithelial cells
RCECs	rabbit corneal epithelial cells
ER	endoplasmic reticulum
MGD	meibomian gland dysfunction
OSDI	ocular surface disease index
FCT	fluorescein clearance test
BUT	break-up time
NAC	N-acetylcysteine
C-NAC	chitosan-N-acetylcysteine
ALP	alpha-lipoic acid
2-OHE2	2-hydroxy estradiol