<prompt> The most frequent cataract type seen in adult Retinitis pigmentosa patient isPSCAnterior polarCorticalMixed  <response>: Retinitis pigmentosa is associated with posterior subcapsular cataract PSC.Retinal pigment degenerations such as retinitis pigmentosa , Ushers syndrome and gyrate atrophy are associated with cataract, which are usually subcapsular opacities.Yanoff Duker 