This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Uveal Tract, Subject name: Ophthalmology
Muddy appearance of iris is seen in? 
Select and explain. 
A. Glaucoma, B. Iridocyclitis, C. Persistent pupillary membrane, D. Iris cyst
B: Iridocyclitis
Answer: B: Iridocyclitis 
Explanation: Ans. (b) IridocyclitisRef. Parson's 22/e, p. 122, 236In anterior uveitis (Iridocyclitis) the pupil is constricted, its reactions are sluggish, and the delicate pattern of the iris, instead of being clear and sharphy defined, becomes blurred and indistinct ('muddy' iris)