Hi Everyone, I too get hallucinations of the "what is that there, Oh! it's just a corner of the eye thing", usually cats which is understandable as I have four real one's.
What was really scary was what happened when I was put on Trihexyphenidyl,I would see figures of animals, people and shadows. Not only did I get visual hallucinations, but also tactile, auditory and smell hallucinations(can't spell Olfactory), and these went on for a two and a half months, why so long you ask. Well mainly because I realised the hallucinations for what they were, and the drug did wonders for my PD, no shaking, no slowness, no stiffness it was like I had not got PD at all, GREAT.
The thing is when I visited my Neurologist, my wife told him what was happening, and he immediately took me off them, and although I was pretty pee'd off at first, I had to admit it was for the best. I had a change of heart because my wife said, if you continue the drug it could cause me other problems mentally. I have to admit it was a bit of a mind bender, as I would look at a table top, and to me it was rippling like small waves, here's the rub though. If I were to touch the surface of the table, I could actually feel it rippling, weird was not in it, but I knew what was happening so was not alarmed.
Then there was the figures, each of them had a room in my house, I would see them pretty much all the time, day or night made no difference. Only once did it upset me, it was a night when I woke to see a large figure of a man, stood in the bedroom door way. Never let out such a girlie scream before, or since, and my wife never came to from a sleep so quickly.
Like I said for me it was the one off time I had really bad hallucinations, I get mild ones now, like the corner of the eye thing. I also get the who's behind me, Oh! no one it is my imagination again. One funny thing that happened to me while I was still working, and was before I had tactile hallucinations, but was having the peripheral vision problems. Well I was busy working when a figure came alongside of me, I ignored it and carried on working, but it was still there, and it started to say something, but being hard of hearing could not discern what it was saying. Well it touched me and I must have jumped 40 feet in the air, it was then I realised it was a work colleague, good job we both have a sense of humour, as once I had settled we both laughed.
Any how that is my experience of hallucinations and PD, so I hope someone some where will take heart and think,"I am not the only one", and find some usefulness on what we have divulged on this thread.
Phil aka Boswanga