<prompt> All of the following cause panuveitis except ?Ankylosing spondylitisToxoplasmosisSarcoidosisSympathetic ophthalmitis  <response>: Panuveitis. It is inflammation of all pas of the uveal tract - i.e. iris, ciliary body and choroid, manifestations of which can be seen in both the anterior anterior chamber posterior chamber and posterior vitreous cavity segment of the eye. Cause of Panuveitis Sarcodiosis Tuberculosis Syphils Onchocerciasis Leptospirosis Brucelliosis Sympthetic Opthalmia Bechetss diseas Multiple Sclerosis Cysticercosis Vogt-Koyanagi-Harada Syndrome Retinal itraneuclear foreign body Masquerade syndrome:retinoblastoma , leukemia Ankylosing spondylitis causes anterior uveitis.Seronegative ahropathy 