<prompt> The investigation of anterior uveitis of a young boy are a HLA B27b Xray sacroiliac jointc TORCH agentsd ELISA for HIV e USG abdomenacaabbc  <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 