1. Glaucoma screening. Res Clin Forums;Hitchings, R.A.,1981
2. Use of photographs for measuring cupping of the optic disc;Gloster, J.; Parry, D.G.;Br J Ophthalmol,1974
3. The optic disc in glaucoma. II. Correlation of the appearance of the optic disc with the visual field;Hitchings, R.A.; Spaeth, G.L.;Br J Ophthalmol,1977
4. New system for mass screening of glaucoma as part of automated multiphasic health testing services;Shiose, Y.; Komiro Km Itch, T.; Amano, M.; Kawase, Y.;Jpn J Ophthabnol,1981
5. An optic disc grid. Its evaluation in reproducibility studies on the cup/disc ratio;Hitchings, R.A.; Genio, C.; Anderton, S.; Clark, P.;Br J Ophthalnol,1983