Vision and the Retina

The human visual field is limited, yet it could theoretically extend to 360 degrees with high resolution if our brains could process that information. The fovea, a small area of the retina, is crucial for high-resolution vision, occupying a significant portion of the visual cortex despite being only 1% of the retina's area. Understanding the role of the retina and its photoreceptor cells—rods and cones—reveals the fascinating process of how light is transformed into electrical signals for the brain to interpret.