50 year old man presented with history of pyrexia of unknown origin, dull headache ,right ear pain, left side weakness and difficulty in swallowing.On neurological examination:Right side diplopia on looking at far objects

-23-year female patient presented with history of right sided headache since 1-year with recent onset giddiness and occasional vomiting for 2 months. She has right eye vision loss since birth. -Neurological examination was normal, except perception of light positivity in right eye