Re-evaluating Visual Perception: Does Conscious Observation Synchronize in an Absolute Present?

In General and Special Relativity, the spacetime interval ds^2 along an ideal photon path is strictly zero. From a precise physical-observational perspective, this framework re-evaluates whether deep-space telemetry should define visual perception strictly as a delayed detection of the past, or if there is a valid conceptual basis that distinguishes the finite transit time of the physical messenger from the instant of conscious observation itself. A falsifiable experimental framework is proposed to test this foundational boundary.