Clinical photography of the left eye (A) and right eye (B) showing whitish, foamy lesions on the temporal side of the ocular conjunctiva (Bitot’s spot). | K Mishra, A Jandial, R Sandal, A Khadwal, P Malhotra, Night blindness, Bitot’s spot and vitamin A deficiency, QJM: An International Journal of Medicine, Volume 112, Issue 3, March 2019, Page 225, https://doi.org/10.1093/qjmed/hcy218