This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
Polychromatic lusture is seen in 
Select and explain. 
A. Zonular cataract, B. Posterior subscapular cataract, C. Nuclear cataract, D. Anterior subscapular cataract
B: Posterior subscapular cataract
Answer: B: Posterior subscapular cataract 
Explanation: Polychromatic luster is a pathognomic feature of complicated cataract which is most commonly posterior subcapsular Refer: Khurana 6th edition page number 187