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: Ophthalmology
Snowflake cataract is associated with: September 2008 
Select and explain. 
A. Hypeension, B. Adult diabetes, C. Trauma, D. Juvenile diabetes
D: Juvenile diabetes
Answer: D: Juvenile diabetes 
Explanation: Ans. D: Juvenile diabetes Snowflake Cataracts: This type of cataract represents dots of various sizes (and sometimes various colours) distributed throughout the coex surrounding the nucleus for 360deg. This is the most common cataract seen in Down Syndrome (extra copy of chromosome 21 also called trisomy 21) and juvenile diabetes mellitus. These usually have very little effect on vision. Adult diabetic cataract shows coical and/or nuclear and/or subcapsular (same as age related)