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This reflex can be tested by the ''rapid head impulse test'' or ''Halmagyi–Curthoys test'', in which the head is rapidly moved to the side with force, and is controlled if the eyes succeed to remain to look in the same direction. When the function of the right balance system is reduced, by a disease or by an accident, a quick head movement to the right cannot be sensed properly anymore. As a consequence, no compensatory eye movement is generated, and the patient cannot fixate a point in space during this rapid head movement.
The head impulse test can be done at the bed side and used as a screening tool for problems with a person's vestibular system.<ref>{{Cite web|url=https://collections.lib.utah.edu/ark:/87278/s63b97tz|title=VOR (Slow and Fast)|last=Gold|first=Daniel|website=Neuro-Ophthalmology Virtual Education Library (NOVEL): Daniel Gold Collection. Spencer S. Eccles Health Sciences Library.|access-date=20 November 2019}}</ref> It can also be diagnostically tested by doing a video-head impulse test (VHIT). In this diagnostic test, a person wears highly sensitive goggles that detect rapid changes in eye movement. This test can provide site-specific information on vestibular system and its function.<ref>{{cite journal | vauthors = McGarvie LA, MacDougall HG, Halmagyi GM, Burgess AM, Weber KP, Curthoys IS | title = The Video Head Impulse Test (vHIT) of Semicircular Canal Function - Age-Dependent Normative Values of VOR Gain in Healthy Subjects | journal = Frontiers in Neurology | volume = 6 | pages = 154 | date = 2015-07-08 | pmid = 26217301 | pmc = 4495346 | doi = 10.3389/fneur.2015.00154 | doi-access = free }}</ref>
Another way of testing the VOR response is a [[caloric reflex test]], which is an attempt to induce [[physiologic nystagmus|nystagmus]] (compensatory eye movement in the absence of head motion) by pouring cold or warm water into the ear. Also available is bi-thermal air caloric irrigations, in which warm and cool air is administered into the ear.{{Citation needed|date=May 2020}}
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