DL	drug loading;
DMAM	N,N-Dimethylacrylamide;
DSC	Differential scanning calorimetry;
DXP	Dexamethasone sodium phosphate;
EDX	Energy-dispersive X-ray (EDX) spectroscopy;
EE	entrapment efficiency;
ESR	Equilibrium swelling ratio;
HCHPK	1-Hydroxycyclohexyl phenyl ketone;
HEMA	2-Hydroxyethyl methacrylate;
IPNs	Interpenetrating polymer networks;
PDMAM	poly(N,N′-dimethylacrylamide);
PEGDA	poly(ethylene glycol) diacrylate;
PHEMA	poly(2-hydroxyethyl methacrylate);
poly(HEMA-co-VP)	poly[(2-hydroxyethyl methacrylate)-co- vinylpyrrolidone];
PVA	poly(vinyl alcohol);
PVP	polyvinyl pyrrolidone;
SEM	Scanning electron microscopy;
SNs	Single networks;
SR	Swelling ratios;
Tg	glass transition;
TMDSC	Temperature-modulated differential scanning calorimetry;
VP	vinylpyrrolidone;
XRD	X-ray diffraction;