AFM	Atomic force microscopy
AMD	Age Macular Degeneration
Anti-VEGFs	Anti-vascular endothelial growth factors agents
ATR–FTIR	Fourier transform infrared spectral analysis
β-CD	β-cyclodextrin
CCB	Celecoxib
CCCs	Chitosan coated cubosomes
CCLs	chitosan coated liposomes
CDs	Cyclodextrins
CMCS	Carboxymethyl chitosan
CNV	Choroidal neovascularization (CNV)
Cs	Chitosan
CSO	Chitosan oligosaccharide
CVS	Chitosan oligosaccharide-valylvaline-steric acid
DEX	Dexamethasone
DR	Diabetic Retinopathy
DDS	Drug Delivery System
%EE	% Entrapment Efficiency
FITC	Fluorescein isothiocyanate isomer
GIT	Gastrointestinal tract
HConEpiC	Human conjunctival epithelial primary cells
HCEpiC	Human Corneal Epithelial Primary Cells
HP-β-CD	Hydroxypropyl β-cyclodextrin
HPMC	Hydroxypropyl methylcellulose
IVT	Intravitreal
LDH	Inorganic materials of hydroxide
MEs	microemulsions
MLVs	multilamellar vesicles
NF	Nepafenac
NLCs	Nanostructured lipid carriers
NMR	Nuclear magnetic resonance
OC-40	Octoxynol-40
OcDD	Ocular drug delivery
PDT	Photodynamic therapy
PEG	Poly (ethylene glycol)
PepT-1	Peptide transporter-1
PGF	Placental Growth Factors
P-gp	P-glycoprotein
PLGA	poly (lactic-co-glycolic acid)
PDS	port delivery system
PS	Particle size
PSEDs	Posterior segment eye diseases
PVA	Polyvinyl alcohol
PVA-R	Polyvinyl alcohol derivatives bearing a hydrophobic anchor at the terminate molecule
SA	Steric acid
TA	Triamcinolone aetonide
TER	Transepithelial electrical resistance
TPP	Sodium tripolyphosphate
ULVs	Unilamellar vesicles
VEGF	Vascular Endothelial Growth Factors
VV	Valyl valine
ZP	Zeta potential