1 Clean your brush and use clean water or a second color to paint inside the outline, being sure to blend with the outer color. 2  Leave the middle white. 3  For a dark center, paint it in once the flower has dried.  For a light center, paint it while the flower is still wet to blend.
The main function of vitamin A is to support vision, especially in dim lighting, by creating pigments that are needed to help keep the retina of the eye healthy. It also helps produce the protein rhodopsin, which absorbs light in the retina. In addition, vitamin A helps support the growth and development of the cornea and other membranes of the eye.
Vitamin A is an essential, fat-soluble vitamin that has many diverse benefits for humans. It promotes eye health and helps you see in the dark; aids in the differentiation of cells of the skin (lining the outside of the body) and mucous membranes (linings inside of the body); helps the body fight off infection and support the immune system; and, supports growth and remodeling of bone.