The physiology of vision with special reference to colour blindness (1920)
Edridge-Green, Frederick William, 1863- · London, G. Bell and sons · leaf 98
VARIOUS VISUAL PHENOMENA 83 lines then came from the periphery and proceeded in an irregular manner to the centre. "When these lines reached the centre each broke up in a very similar way to a rocket and left the surrounding portion lighter than before. This continued until the yellow spot region… … Fig. 5. I have seen the yellow spot region largest and darkest when on waking in the early morning I have directed my eyes to the whitfe ceiling. The whole of the centre portion of the field of vision appeared as a black disc surrounded by luminous circles. These circles then interlaced and…
Color vision · Vision · Color blindness · Refraction · Ophthalmology
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.
