STRUCTURAL HOMOLOGY BETWEEN GRAVITATIONAL LENSING AND THE IRIS-PUPIL OPTICAL SYSTEM: A SCALE-INVARIANT ANALYSIS OF LIGHT DEFLECTION ACROSS PHYSICAL DOMAINS

This paper proposes a structural homology between gravitational lensing at cosmic scales and the optical behavior of the iris-pupil system in the human eye at biological scales. While gravitational lensing operates through spacetime curvature induced by mass, and the iris-pupil system operates through refractive and diffractive optical mechanisms, both exhibit mathematically analogous geometric principles governing light deflection, circular symmetry, and focal behavior. We examine the iris not merely as an aperture-controlling structure, but as a refractive boundary system whose stromal architecture, crypts, and structural patterns produce diffractive effects homologous to the deflection of light around massive objects. We argue that understanding this structural parallel illuminates scale-invariant principles in how information—in the form of light—is encoded, transmitted, and perceived across vastly different physical systems. This paper establishes the theoretical framework and proposes observational and computational approaches to test this homology.