<prompt> Cattle track appearance in fundoscopy is due to?CRAOCRVORetinitis pigmentosaDiabetic retinopathy  <response>: ANSWER: A CRAOREF: Elsevier Comprehensive Guide, page 628Common fundoscopy findings:ConditionFindingOptic disc colobomaMorning glory appearanceCRAOCattle track appearance CRVOBlood and thunder fundusChloroquine toxicityBulls eye maculopathyQuinine toxicityCherry red spotRetinitis pigmentosaWaxy pallor of optic disc Bone spicule pigmentationCongenital syphilis RubellaSalt and pepper fundusSickle cell anemiaRising sun signCMV retinitisMozzarella pizza fundusAIDSCotton wool spots 