It is not clear if vitamin D in the blood directly affects the formation of the eye or if the creation of vitamin D directly in the eye because of the Sun expos

It is not clear if vitamin D in the blood directly affects the formation of the eye or if the creation of vitamin D directly in the eye because of the Sun exposure do so. Here is an article[0] which is easier to read than a study. [0]: https://www.optometrytimes.com/view/time-outdoors-and-myopia-case-vitamin-d https://www.optometrytimes.com/view/time-outdoors-and-myopia...