AECPG: Adapted Egyptian Clinical practice guideline.

APTA: American physical therapy association.

VRT:  Vestibular rehabilitation therapy.

BSA: British society of audiology

BVH: Bilateral vestibular hypofunction.

CBT: Cognitive behavioral therapy.

GSE: Gaze stabilizing exercises.

IGE: international guidelines for education

VR: Visual reality

VOR: Vestibulo-ocular reflex.

UVH: Unilateral vestibular hypofunction.