Vision starts with ___ the physical energy that stimulates the eye.

Vision starts with light, the physical energy that stimulates the eye. This light travels in waves and can be reflected or refracted, allowing our eyes to detect various colors and intensities. Our eyes contain specialized cells called photoreceptors, which convert this light into electrical signals that the brain interprets as images, creating the vibrant visuals we see every day. In the real world, understanding light and vision is essential in fields ranging from photography to virtual reality. For instance, photographers manipulate light to create stunning images, while engineers design screens and visual displays that optimize the way we perceive colors and shapes. This knowledge not only elevates artistic endeavors but also enhances technology that relies on clear and accurate visual representations.