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: Unknown
C/F of complicated cataract A/E 
Select and explain. 
A. Polychromic lusture, B. Opacity along sutures, C. Axial spread of opacity, D. Post. Subcapsular opacity
B: Opacity along sutures
Answer: B: Opacity along sutures 
Explanation: Ans: (B) Opacity along sutures Ref.: A.K. Khurana 6th ed. /194-95 * Complicated cataract : Cataract secondary to some intraocular disease which may be: # Anterior cortical in anterior segmental lesion as glaucoma, acute iritis, or, # Posterior cortical in posterior segmental lesion as uveitis, RD, pigmentary retinal dystrophy. * The second type of complicated cataract presents with posterior cortical bread crumb appearance/ polychromatic lusture or rainbow cataract. * Bread crumbs appearance is Pathognomonic of posterior cataract. * Opacity usually commence in posterior cortex and spread axially and NOT along sutures. * Vision is much impaired even in early stage, owing to the position of the opacity near the nodal point of the eye.