Q1 · Optic Neuritis
NEET PGMediumA young adult has subacute painful monocular vision loss with impaired colour vision and a relative afferent pupillary defect. This suggests?
Explanation
Optic neuritis causes subacute monocular vision loss with pain on eye movement, reduced colour (red) vision, and a relative afferent pupillary defect. It is strongly associated with multiple sclerosis, so an MRI is warranted.