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
Complicated cataract occurs at? 
Select and explain. 
A. Posterior capsule, B. Anterior capsule, C. Posterior cortex, D. Anterior cortex
C: Posterior cortex
Answer: C: Posterior cortex 
Explanation: Ans. (c) Posterior cortexRef: Parson's 22/e, p. 268; American Academy of Ophthalmology p. 54Cataract secondary to intraocular diseases (Inflammatory and degenerative) is called complicated cataract.They occur due to posterior cortical atrophy.