↑Lee, Ji-Eun. "Corneal tattooing to mask subsequent opacification after amniotic membrane grafting for stromal corneal ulcer." Acta Ophthalmologica Scandinavica 2006; 84: 696-698.
↑Pitz, S. et al. "Corneal tattooing: an alternative treatment for disfiguring corneal scars." British Journal Ophthalmology 2003; 86:397-399.
↑Kobayashi, Akira and Kazuhisa Sugiyama. "In Vivo Confocal Microscopy in a Patient with Keratopigmentation (Corneal Tattooing)." Cornea 2005; 24:2:238-240.
↑Ziegler, S. Lewis. "Multicolor Tattooing of the Cornea." 71-87.
↑Vassileva, Snejina and Evgeniya Hristakieva. "Medical Applications of Tattooing." Clinics in Dermatology 2007; 25:367-374
↑Roy, J.N. "Tattooing of the Cornea." The Canadian Medical Association Journal 1938. 436-438.