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We study paraxial beam propagation along the wedge axis of a disclinatedamorphous medium. The defect-induced inhomogeneity results in Berry phase andcurvature that are affected by the induced uniaxial anisotropy. The Berry phasemanifests itself as a precession of the polarization vector. The Berrycurvature is responsible for the optical spin Hall effect in the disclinatedmedium, where beam deflection varies sinusoidally along the paraxial direction.Its application in determining the birefringence and the magnitude of the Frankvector is explained.

Paraxial propagation in disclinated amorphous media