The physiology of vision with special reference to colour blindness (1920)
Edridge-Green, Frederick William, 1863- · London, G. Bell and sons · leaf 100
OMENA 85 in the morning. The centre has a spotted appearance, the circles being larger at the periphery, with gradually increasing black intervals. Outside the macular region the spots of light are further apart and less defined. The retina after a night's rest is in a most favourable state for… … Fig. 7. this patch from without inwards. Helmholtz concludes from this that light is perceived an instant later in the central as compared to the peripheral portions of the retina. Helmholtz attributes this observance to Max- well,^ but as a matter of fact Maxwell said exactly the opposite. He said…
Color vision · Vision · Color blindness · Refraction · Ophthalmology
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.
![An illustration from The Hunterian lectures on colour-vision and colour-blindness [electronic resource] : delivered before the Royal College of Surgeons of England on February 1st and 3rd, 1911 (1911)](https://img.insideoutlibrary.com/img/200/ia-b21287466-24-0.webp)
