22/04/2026
New research highlights a fascinating link between vitamin A, thyroid hormones and clear vision. This new article by the popular Dr Mercola explains how these two factors work together during eye development to form the part of the retina responsible for sharp, detailed sight — determining how well we see from birth.
It also reinforces something we often talk about in natural eye care: nutrition matters. Key nutrients like vitamin A, along with antioxidants such as lutein and zeaxanthin, help protect the retina and support long-term visual health.
Vitamin A and thyroid hormone work together during eye development to build the tiny region of your retina responsible for your sharpest vision.