A few years ago I asked my son in law, an outstanding opthamologist, about radial keratotomy. His answer was (paraphrase) "we don't do that for old geezers like you."
I had 20/900 in one eye (left, the good one) and 20/950 in the other. I was wearing contacts and glasses in order to see, and radial keratotomy was a miracle for me.
The doctor would only do one eye at a time, in case there was a complication I would still have some pitiful amount of useful vision.
This has beem a miracle for me. Now the only concern is, for a high myope like myself, the risk of sudden blindness from retinal detachment. So far, so good.