What is a true statement regarding bilberry as a complementary therapy for cataracts?

Bilberry is often studied for its potential benefits in eye health, particularly regarding its effects on conditions like cataracts. The statement that it enhances oxygen and blood delivery to the eye is grounded in the idea that bilberry contains high levels of antioxidants, particularly anthocyanins, which are thought to improve vascular health and circulation. Improved blood flow can lead to better oxygen delivery, which is crucial for maintaining healthy ocular tissues, including the lens.

In the context of cataracts, where the clarity of the lens is compromised, ensuring adequate blood supply and oxygenation could theoretically support eye health and potentially slow the progression of cataract formation. This makes the claim about bilberry's role in enhancing oxygen and blood delivery to the eye a reasonable assertion within the scope of its proposed benefits in complementary therapies.

On the other hand, the other statements, such as those regarding conversion to vitamin A or blocking enzymes related to sorbitol accumulation, might not accurately reflect bilberry's known actions or effects on the eye's lens. Similarly, the concern about interactions with diabetes medications emphasizes the importance of careful consideration in complementary therapies, which is not aligned with the benefits attributed to bilberry in this context.