https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988196Edit ImageSaveSaveEditCropCustom TextEighth International Ophthalmological congress, Edinburgh. Photograph by Alexander Ayton, 1894.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1017 px | 300 dpiLarge JPEG 2912 x 2468 px | 300 dpiFree DownloadEighth International Ophthalmological congress, Edinburgh. Photograph by Alexander Ayton, 1894.More