<prompt> Cattle truck appearance on fundus examination is a feature of: RepeatCRVOIncomplete CRAOIncomplete CRVOHypertensive retinopathy  <response>: Ans: B Incomplete CRAO Ref: Kan ski 7th edition; Clinical Ophthalmology; pg no 563-564Type of pigmentDisordersCorneal locationIronKerataconus Epithelium Oid opacity Epithelium Pterygium Epithelium Filtering Web Epithelium SiderosisMainly stroma BJood staining of corneaMainly stromaCopperWilsons disease, chalcosis Descemets membraneMelaninPigment aspersion syndnomeEndotheliumExplanation:Refer 2011 Opthalmology question explanation 