Here are links to some recent articles regarding the latest treatments of Inherited Retinal Dystrophies:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6770110/
https://www.sciencedirect.com/science/article/pii/S1350946219301144
https://www.reviewofophthalmology.com/article/gene-therapies-for-inherited-diseases
https://www.retinalphysician.com/issues/2019/march-2019/retinal-gene-therapies-in-clinical-trials
In addition, the following links of very interesting and informative sites:
https://www.fightingblindness.ca/resources/gene-therapies-for-blinding-eye-diseases/ (FFB-CA)