<prompt> Tabular vision is caused byRetinitis pigmentosaNarrow angle glaucomaNuclear cataractPapillodema  <response>: Ans. a Retinitis pigmentosa. Ref Basak, Ophthalmology, 2nd ed., 203As the primary OAG advances the glaucomatous field defect due to generalized constriction of peripheral field along with double arcuate scotoma leads to tubular vision, in which only central vision remains.Causes of tubular vision include: CRAO with sparing of cilioretinal artery. High myopia POAG Retinitis pigmentosaMnemonic: CHOR 