This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Ophthalmology
Posterior subcapsular stellate cataract seen in 
Select and explain. 
A. Wilson's disease, B. DM, C. Myotonic Dystrophy, D. SLE
C: Myotonic Dystrophy
Answer: C: Myotonic Dystrophy 
Explanation: (C) Myotonic Dystrophy > Sunflower cataract - Occurs in Wilson's disease -Concussion may cause an 'imprinting' of iris pigment on the anterior lens capsule (Vossius ring) as well as striking flower shaped cortical opacities (rosette cataract).> Trauma is he most common cause of unilateral cataract in young individuals> Snow flake or snow storm cataract - Diabetes Shield like anterior subcapsular cataract - Atopic dermatitis> Stellate posterior subcapsular cataract - Myotonic dystrophy> Punctate subcapsular cataract - Down syndrome