So I discovered a definition for a variation of Meniere’s Disease, which does not involve hearing loss. It’s "Vestibular Meniere’s Disease and is defined in this 2002 article:
https://www.audiologyonline.com/articles/meniere-s-disease-diagnosis-natural-1161
Here’s a quote; the bold highlights are mine:
[quote] Meniere’s Disease can be classified many ways. In our management of Meniere’s Disease, we use the following three primary subclassifications of Meniere’s Disease, to describe the specific signs and symptoms, as noted below.
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Classic Meniere’s Disease is an inner ear disorder characterized by episodic vertigo attacks (often with nausea and vomiting), sensorineural hearing loss, tinnitus, and pressure or fullness in the involved ear (usually unilateral). Initially, the hearing loss typically involves the low frequencies and the hearing loss fluctuates, generally becoming worse with each attack. Over time, the hearing loss progresses to involve the higher frequencies, and the degree of hearing loss can progress to severe-to-profound. It is estimated that 80 percent of all Meniere’s Disease patients are unilaterally involved.
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In Vestibular Meniere’s Disease, vertigo attacks are identical to classic Meniere’s Disease (above). However, in Vestibular Meniere’s Disease, hearing remains normal, and other aural symptoms (tinnitus, full-ness) are absent…[/quote]
I then did a search but didn’t find much referencing “Vestibular Meniere’s Disease.” It is mentioned, however, in this Powerpoint presentation as one of the “primary types” of Meniere’s:
http://healthcare-professionals.sw.org/resources/docs/division-of-education/events/stroke-neurology-symposium/2013/Thu-0900-MeniereDisease-Brammeier.pdf