1. Small superficial opaque white rings in the cornea;Coats;Trans. Ophth. Soc. U. Kingdom,1912
2. White rings in the cornea;Macrae;Tr. Ophth. Soc. U. Kingdom,1935
3. White rings in the cornea;Miller;Brit. J. Ophth.,1950
4. Data concerning the origin of the white rings in the cornea;Holmay;Brit. J. Ophth.,1965
5. White rings in the cornea (G. Coats);Ballantyne;Trans. Ophth. Soc. U.Kingdom,1943