1. Awaya, S. Spot scotometry — A new method to examine scotomas under direct oph-thalmoscopy by using visuscope (euthyscope). Jap. J. Ophthal. 16: 144–157 (1972).
2. Inatomi, S. Fundus perimetry and overlap of the nasal and temporal visual field. Jap.Clin. Ophthal.71:528–531 (1977).
3. Isayama, Y. & Tagami, Y. Quantitative maculometry using a new instrument in cases of optic neuropathies. Docum. Ophthal. Proc. Series 14: 237–242 (1977).
4. Kani, K., Eno, N., Abe, K. & Ono, T. Perimetry under Television ophthalmoscopy. Docum. Ophthal. Proc. Series 14: 231–236 (1977).
5. Trantas, N.G. Applications et résultats d’un moyen simple déxaman de la photosensibilité de la rétine. Bull. Soc. Ophthal. Fr55: 499–513 (1955).