Disclosed, in one aspect, is an assay result reading device for reading
the result of an assay performed using a test strip, the device
comprising: a light source or sources, said light source/s emitting light
incident upon at least two, spatially separated zones of the test strip;
and a photodetector which detects light emanating from each of the two
said zones; in a further aspect is disclosed an assay result reading
device for reading the result of an assay performed using a test strip,
the device comprising: at least one light source incident upon a zone of
the test strip; and at least two photodetectors both of which are able to
detect some of the light emanating from the zone of the test strip
illuminated by the light source.
