AA	acrylic acid
ALG	sodium alginate
API	active pharmaceutical ingredient
CMC	carboxymethyl cellulose
CMCS	O-carboxymethyl chitosan
CS	chitosan
CS-g-PN	Chitosan-grafted poly(N-isopropylacrylamide)
DEMC	N-diethylmethyl chitosan
Dex-GlyCS	dexamethasone glycol-chitosan conjugates
DexS	dextran sulfate
DMEC	dimethylethyl chitosan
EDC	1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide
FA	fluocinolone acetonide
FTIR	Fourier transformation infra-red spectroscopy
GalCS	galactosylated chitosan
GlyCS	glycol chitosan
HA	hyaluronic acid
HexGlyCS	hexanoyl glycol chitosan
HMWCS	high molecular weight chitosan
HPMC	hydroxypropyl methylcellulose
IOP	intraocular pressure
L	lecithin
LCST	lower critical transition temperature
LMWCS	low molecular weight chitosan
NACCS	N-acetylcysteine chitosan
NLCs	nanostructured lipid carriers
NPs	nanoparticles
OCT	optical coherence tomography
Odex	oxidized dextran
P407	poloxamer 407
PAA	poly(acrylic acid)
PBA	poly(butylene adipate)
PBS	phosphate-buffered saline
PCL	poly(ε-caprolactone)
PDI	polydispersity index
PEG	poly(ethylene glycol)
PGGA	poly(gamma-glutamic acid)
PHEMA	poly(2-hydroxyethylmethacrylate)
PLA	poly(lactide)
PLGA	poly(lactic-co-glycolic acid)
PNIPAAm	poly(N-isopropylacrylamide)
PPO	poly(propylene oxide)
PVA	poly(vinyl alcohol)
PVP	poly(vinyl pyrrolidone)
SBE-β-CD	sulfobutylether-β-cyclodextrin
SEM	scanning electron microscopy
STF	simulated tear fluid
TECS	triethyl chitosan
TEM	transmission electron microscopy
Tgel	temperature of gelation
TMCS	trimethyl chitosan
TPP	sodium tripolyphosphate
β-GP	β-glycerolphosphate, glycerol phosphate disodium salt