Clinical diagnosis of benign paroxysmal positional vertigo and vestibular neuritis

As a 77 year old retired General Practitioner who had acute vestibular neuritis in 1980, with permanent
dizziness and balance disturbance as a consequence, the article and video demonstrations were of great interest to me. At the time of original illness, I had been seeing a spike of vertigo cases in my practice, all of whom recovered completely. My ENT and neurology specialist assessments suggested the above diagnosis with a putative viral origin. Subsequently, I would have days where dizziness and balance were extra problematic, needing the use of a cane. Then 10 years ago after an extremely severe dizzy day accompanied by visual disturbance resolving in 24 hours, I gradually realized that a residual visual problem was present. It took a month for me to be able to work out and describe the symptom: I had lost my steady cam. This was the best I could do to put into words that the horizon was no longer stable on walking, but would move up and down slightly, the phenomenon known as oscillopsia. None of my GP colleagues were aware of this entity and I suspect that our patients would have much difficulty getting the message across to us if they were to develop this disorder. Of added interest is that my female maternal cousin of similar age also suffered acute vestibular neuritis a few years ago and subsequently developed oscillopsia (this word had not been used to her by any of her physicians). It seems odd that an entity said to be as rare as hens' teeth, should occur in a close relative unless there is some genetic predisposition or basis.
So, the reason for this response to the article is to draw attention to an unusual sequela of vestibular neuronitis that is little known, difficult for patients to communicate, may be present in a patient whose dizziness seems to have completely recovered, and might present to a variety of specialists including non-physicians such as optometrists.