- Odorant Binding Protein 2A (OBP2A)
- Opticin (OPTC)
- Otoferlin (OTOF)
- Otoraplin (OTOR)
- Optic Atrophy 3 (OPA3)
- Optineurin (OPTN)
- Peripherin 2 (PRPH2)
- Phosducin (PDC)
- Retinoic Acid Induced Protein 2 (RAI2)
- Retinal Outer Segment Membrane Protein 1 (ROM1)
- Retinitis Pigmentosa 1, Autosomal Dominant (RP1)
- Retinal Pigment Epithelium Specific Protein 65kDa (RPE65)
- Radixin (RDX)
- Retinaldehyde Binding Protein 1 (RLBP1)
- Rhodopsin (RHO)