Macula
It's called the fovea.
Macular degeneration is a vision problem that produces symptoms that include straight lines that appear wavy or distorted, formation of drusen, a dark spot or area at the center of your vision, and changes in color perception. Macular degeneration is a disease of the macula in the retina. A drusen is a yellow or white deposits found in a retina layer.
It is the one place on the retina where the image of the lens is 'in focus' i.e. sharp
Varigated is a green leaf with a yellow center.
the yellow center
The "yellow spot" or macula of the retina is designed to provide the maximum visual acuity. It gives the highest quality image in the mammalian eye.
The macula lutea is a small, oval-shaped yellow spot near the center of the retina in the eye. It contains a high concentration of cone cells that are responsible for producing detailed central vision. The macula lutea is essential for sharp and clear vision, especially for tasks like reading and recognizing faces.
The common daisy is white with a yellow center.
yellow spot or blind spot. it has no rod or cone photorecepter cells.
Yellow paint, because colors are not defined by their smell.
I don't know exactly what your question is. Please restate it clearly.
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