Iam facing symptoms of neuro syphlisis memory loss, eye problem(letteres are slightly moving),loss of appetite,lympnodes in groin,I had vdrl positive 17 years back i got treatment with dermotologist i don't know which treatment taken at that time present my age is 32.i got vdrl it's negative my wife also taken vdrl test (recently married) after exposure of two months it's negative .pls tell accurate test for late stage syphlisis as well as early stage syphlisis. Pls suggest