About: http://webisa.webdatacommons.org/407349103

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This is because an image of the light source is a point with such the coherent light, therefore the image on the pupil becomes a point.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com