This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Black patch delirium is seen in 
Select and explain. 
A. Dart skinned individuals, B. Patients with malignant melanoma, C. Patients with 3 degree burns, D. Post cataract surgery patient
D: Post cataract surgery patient
Answer: D: Post cataract surgery patient 
Explanation: Delirium can develop after cataract surgery in ilder patient who wear eye patches.Delirium caused by this sensory deprivation is called as "Black patch" delirium.