| PDMS | polydimethylsiloxane |
| GO | graphene oxide |
| hiPSC | human induced pluripotent stem cell |
| hiPSC-RPEs | hiPSC-differentiated retinal pigment epithelial cells |
| ZO-1 | zonula occludens-1 |
| PEDF | pigment epithelium-derived factor |
| RPE65 | retinal pigmented epithelium-specific protein with molecular mass 65 kDa |
| BDNF | brain-derived neurotrophic factor |
| CCD | charge-coupled device |
| NEAA | nonessential amino acids |
| DKK1 | recombinant Dickkopf-related protein 1 |