# retinitis pigmentosa

> retinal degeneration characterized by the gradual deterioration of the photoreceptors or the retinal pigment epithelium of the retina leading to progressive sight loss

**Wikidata**: [Q847057](https://www.wikidata.org/wiki/Q847057)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Retinitis_pigmentosa)  
**Source**: https://4ort.xyz/entity/retinitis-pigmentosa


## References

1. [Source](https://ddrare.nibiohn.go.jp/)
2. Disease Ontology
3. Human Phenotype Ontology release 2018-03-08
4. Nuovo soggettario
5. Freebase Data Dumps. 2013
6. Integrated Authority File
7. [Source](http://www.patient.co.uk/patientplus/r.htm)
8. YSO-Wikidata mapping project
9. [Identifiers.org](https://registry.identifiers.org/registry/doid)
10. National Library of Israel
11. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)