👁 Shack-Hartmann Eye Aberrometer: Zernike Wavefront, Lenslet Spot Shifts, Refraction and Retinal Image

A Blender aberrometer with an eye model, a live 3D wavefront surface, lenslet array and spot sensor: Zernike modes, spot shifts, reconstruction, refraction, Strehl ratio and retinal image, with eight numerical checks.