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1. Measurements were made of the relative fractions of diffuse and specular reflexions in the fovea and periphery of the human fundus oculi.

2. All the light emerging from the eye is scattered or reflected behind the receptors as bleaching the retina affects both fractions equally.

3. Bruch's membrane is the most likely surface at which specular reflexion occurs whereas the choroid and sclera are probably involved in scattering.

4. Both diffuse and specular components show marked directional effects that vary with wave-length.