I've made a few posts now about what I believe to be case of my problems. It is my believe that my screen problems are mostly neurological in nature. A lot of screens trigger migraines, which is clearly a neurological issue. Some screens and software cause only eye pain and mild headache symptoms, but in some instances I have been able to adjust and now use these devices daily with minimal issues. This further implies a neurological problem, as only the brain has the capacity to adapt and change as far as I know.
So my treatment plan has two aims. To prevent migraines occurring whilst using bad devices, and facilitate some neurological changes/growth that will ultimately allow a long term recovery. To prevent the migraines occurring I intend to use psilocybin containing mushrooms (magic mushrooms). There has been some study of their use in cluster headaches, and there are anecdotal reports of them being used to abort and prevent migraines. The likely mechanism of action is their effect on the serotonin system, which is often a target of conventional migraine abortive drugs.
I will take Lion's Mane for longer term neurological adaptation. It has some limited study of its neuroprotective and neurogenerative properties in mice models. There is also a conference paper on its use in improving vision in Alzheimer's patients - but frustratingly I can't actually find a copy of that to read.
I have not decided on dosages of either, and will most likely experiment with a few to see what I tolerate best. A mycologist named Paul Stamets recommends the combination of magic mushrooms and Lions Mane so I will probably started with his protocol. I will keep everyone updated on any progress, though it will take a while. Getting hold of the mushrooms themselves is going to difficult owing to legality.