What is the origin of the idiom "lose sight of someone or something" and when to use it?

The idiom "lose sight of someone or something" likely originated from the literal act of losing visual contact with a person or object. In everyday life, when someone or something moves out of our line of sight, we can no longer see or perceive them. This physical concept was adapted metaphorically to describe situations where people become distracted or fail to prioritize someone or something important, causing them to figuratively "lose sight" of it.