<prompt> A 10-year boy present with bilateral chronic uveitis. Which investigation should be orderedHemogramXray of sacroiliac jointHIV testMantoux test  <response>: Investigations used in the evaluation of uveitisAnteriorAcute:- Urine for WBC, CBC, ESR, CRP, X-ray sacroiliac joint, HLA B-27, Chest X-ray, VDRL FTA-ABS for syphilis, Serum ACE, Mantoux testChronic:- Gonioscopy, Antinuclear antibodyPosteriorAcute:- NoneChronic:- Eosinophil count, serum ACE, ELISA for toxoplasma toxocariasis, chest X-ray, Mantoux test,Virus cultures, serum antibodies in suspected cases of CMV, HSV, VZV 