| HPLC-UV | high performance liquid chromatography with ultraviolet detection |
| UV | ultraviolet |
| PLGA | poly(D,L-lactic-co-glycolic) acid |
| DX | dexamethasone |
| MEL | melatonin |
| MSs | microspheres |
| DX-MEL-MSs | dexamethasone and melatonin co-loaded PLGA microspheres |
| RGC | retinal ganglion cells |
| IOP | intraocular pressure |
| LC/MS | liquid chromatography tandem mass spectrometry |
| MeOH | methanol |
| DCM | dichloromethane |
| PVA | polyvinyl alcohol |
| blank-MSs | unloaded microspheres |
| EE | encapsulation efficiency assay |
| SD | standard deviation |
| PBS | phosphate buffer solution |
| IVR | in vitro release assay |
| SS | stock standard solution |
| SS-EE | stock standard solution for encapsulation efficiency assay |
| SS-IVR | stock standard solution for in vitro release assay |
| WS | working solution |
| WS-EE | working solution for encapsulation efficiency assay |
| WS-IVR | working solution for in vitro release assay |
| ICH | International Conference on Harmonization |
| FDA | Food and Drug Administration |
| RSD | relative standard deviation |
| LOD | limit of detection |
| LOQ | limit of quantification |
| tR | retention time |
| tW | peak width |
| Rs | resolution between peaks |
| IR | injection repeatability |
| T | tailing factor |
| N | theoretical plate number |
| pS | peak symmetry |
| SEM | scanning electron microscopy |