Yes this was 2 years ago, I ended up at Columbia Ophthalmology in NYC and they were able to get me DNA tested after another local doctor failed to assist me in doing so. USH2A is the name of the specific condition if you're curious.
PHOTOBIOMODULATION IN INHERITED RETINAL DEGENERATION (2012)
"A growing body of evidence indicates that exposure of tissue to low energy photon irradiation in the far-red to near-infrared (NIR) range of the spectrum, (photobiomodulation or PBM) acts on mitochondria-mediated signaling pathways to attenuate oxidative stress and prevent cell death. "
https://dc.uwm.edu/cgi/viewcontent.cgi?article=1007&context=...
I have no experience with it, just lots of reading during this downtime.