It helps us detect light and motion.
A form of macular degeneration.
sight (the visual sense)
No. Night Vision equipment uses infra-red (IR) light, wavelengths of light longer (lower frequency) than visible light. Infra="below", red, or light below red light in the spectrum. UV stands for...
When someone thinks of a plan to grow the companies wealth or product distribution or concept, thy just smoke some weed and gain the vision.