1. Rod sensitivity relative to cone for reasons discussed by Massof and Finkelstein4 a sensitivity in retinitis pigmentosa. Invest Ophthalmol Visual Sci value of about -0 3 rather than zero is expected when 1979; 18: 263-72. the patient is using cone function for threshold detection and a value of 1-9 when he/she is using rod;Massof, R.W.; Finkelstein, D.
2. Two forns of autosomal dominant primary retinitis pigmentosa;Massof, R.W.; Finkelstein, D.;Doc Ophthalmol,1981
3. System of function. However, the range of the Massof and ophthalmology;Duke-Elder, S.
4. Hewlett-Packard quantity: principles of measurement. Paris: Bureau central de la optoelectronics application manual;Gage, S.; Evans, D.; Hodapp, M.; Sorensen, H.,1978
5. 1.4. Light as a true visual AmJOphthalmol;CIE Technical Committee (Vision,1956