This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lenses, Subject name: Ophthalmology
Which of the following factor is not responsible for lens transparency 
Select and explain. 
A. Avascularity, B. Antioxidants, C. Aquaporins, D. Hydration
D: Hydration
Answer: D: Hydration 
Explanation: Dehydration and not hydration is responsible for lens transparency Factors Responsible For Lens Transparency - Avascularity - Tightly packed nature of lens fibres produced by mitosis of pre-equatorial epithelial cells] - Loss of Organalles - Dehydration - Aquaporins MIP26 - Antioxidant Vit C, E, superoxide dismutase, glutathione, SOD & Catalase. NOTE - Youngest lens fibers are present in coex (peripheral pa) oldest fibers are present in nucleus (central pa)