Small cog. You may be surprised to learn that many years ago I had the attention of four Essex/Suffolk eye surgeons - all in fairly quick succession.
They were at a loss to find out why I had a problem and to cut a six month story short it was me that suggested muscle spasm. I had worked out what was happening and indeed, why.
The answer was based on me recalling a judo injury which left me with a muscle in the back of my neck that would wind up every day and be bloody awful by the evening. After a lot of relaxants I was prescribed valium. It worked like magic and needed little in the way of repeats. Asking to try this for the eye problem saved me terrible grief. My eyes were going into spasm because one of the lenses had a post-vitrectomy nuclear cataract and the brain was causing multi-lensing which in turn caused the spasm.
It took 30 minutes for the eyes to relax and the pain to stop - only returning slightly once.
Another case of just not accepting the word of professionals was when my youngest kid was about 15 months. All kinds of cultures had be grown from the muck that was filling his eye, and as many kinds of antibiotic applied. He was at an age where not using that eye for a long period would affect the neurological development of his vision. When I left the Colchester specialist with nothing but his loudly delivered pompous words ringing in my ears, I went home and got my wife to get lights while I got a powerful loupe. I was stunned. The duct, the main drain, had skin over it. It had never been open in his lifetime. I made a mini scalpel, cut away the skin, squeezed out some fatty tissue and applied the antibiotic. After eight months of going doctor to doctor to the leading consultant, he was better in 36 hours.
Time and time again in this life I have had to figure things out myself. Yes, thinking laterally can give odd results, but doing **** all can bring disaster.