The field of physical optics studies not the particle nature but this nature of light
It is not the air or water particles themselves that spread out in all 
directions... [DOC] [TLE] Thomas Young and the Wave Nature of Light - OpenMind [PAR] Jun 13, 2015 ... Young studied medicine, but ultimately he did not succeed as a doctor, partly ... 
Young conducted studies on vision and the human eye and he proposed the ... 
every field that he studied, including physics (the wave theory of light), ... Lecture 
titled Experiments and Calculations relative to Physical Optics.