Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector4738210.17816/kazmj47382MiscellaneousNikolaev. Photographing the ocular fundus of animals. Dissertation. Kazan, 1901ChirkovskyV.info@eco-vector.com10031902231911921910202019102020Copyright © 2020, Chirkovsky V.2020<p>With his own research, the author prefaces a historical review of the literature on this issue, noting that the attempts of numerous researchers to photograph the bottom of the eye did not lead to positive results, the photograms they received turned out to be all unsatisfactory, the devices proposed by them differed in the imperfection of the device and in most cases did not satisfy inventors. At the beginning of his research, the author worked with a Guin Koff apparatus, but he failed to get photograms of the bottom of the eye.</p>Kazan Medical archiveКазанский медицинский архив