He drew attention to the fact that in sections of the eyes of albinos examined by Mr Nettleship and shown at a meeting of the Society in November, the pigment was present in the choroid but was limited to the yellow-spot region.
Reference: Usher CH. Choroid at the macular region. Arch Ophthalmol. 1906:505.
A look at the past.... Arch Ophthalmol. 2005;123(8):1161. doi:10.1001/archopht.123.8.1161-a