<prompt> Continuation of inner layer of choroid is -Nonpigmented layer of retinaScleraPigmented layer of retinaNone  <response>: Ans. is c i.e., Pigmented layer of retina o Choroid is the posterior most part of the vascular coat of the eyeball anterior part of vascular coat is iris and middle part is ciliary body.o Choroid extends from the optic disc to ora serrata.o Its inner surface is smooth, brown and lies in contact with pigmented epithelium of the retina. The outer surfce is rough and lies in contact with sclera,o It is thicker posteriorly 0.22 nun than anteriorly 0.1 mm.Coats of the eyeballo The eyeball comprises of three coats.Fibrous Coat outer coat : Cornea anterior 16 and sclera posterior 56.Vascular Coat Uveal tissue : Iris anterior, ciliary body middle and choroid posteriorNervous Coat Inner coat : Retina. 