I ran across an old Clinical Problems in Consultation Psychiatry (CPCP) presentation by a couple of sharp medical students in 2014. They presented it at one of my morning consult rounds and it’s about Charles Bonnet Syndrome.
They did a very nice job and it compares fairly well with the University of Iowa Ophthalmology Dept summary. One of the authors of that summary is my retinal specialist, Dr. Ian Han, who did the surgery on my detached retina about 4 years ago. It also has a link to a great YouTube video of a woman who has Charles Bonnet Syndrome. It’s not a psychiatric disorder although ironically one of the treatments for it may sometimes be antipsychotic medications.
The other thing about this presentation is that the students’ fictional case description mentions that the patient had visions of “a break-dancing koala bear” among other things. I can’t remember whether I was the one who told them about a video on the internet that showed a break-dancing stuffed koala bear—or if it was the other way around! At any rate, I remember seeing it around that time, but of course I can’t find it now.
Go Retire Psychiatrist 
CB is an interesting phenomenon. I have ocular migraines (no headache), vitreous and retinal detachments, and one retinal repair. So far the hallucinations are limited to the distortions from the migraine. And interestingly I just figured out that low blood pressure can be a trigger.
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I hope your eye problems don’t bother you a great deal. I just see floaters these days.
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Other than the visual migraines episodically I am good to go. I have astigmatism but otherwise vision is excellent in both eyes. Occasional floaters but most of that resolved with the detachments. I do have a traumatic cataract just off my visual axis that ophthalmologists marvel at since I was 15. I was one of those kids who shot themselves in the eye with a BB gun.
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I was in a YMCA summer program teaching kids how to target shoot using a BB gun. I never shot myself in the eye…but I also never hit the target.
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