References
- Braddick O. Spatial frequency analysis in vision. Nature 1981; 291: 9–11
- Frisén L., Sjöstrand J. Contrast sensitivity in optic neuritis. A preliminary report. Docum. ophthal. Proc. Series 1978; 17: 165–174
- Keemink C. J., Van Der Wildt G. J., Van Deursen J. B. P. Microprocessor controlled contrast sensitivity measurements. Med. Biol. Eng. Comp. 1979; 17: 371–378
- Regan D., Raymond J., Ginsburg A., Murray T. J. Contrast sensitivity, visual acuity and the discrimination of Snellen letters in multiple sclerosis. Brain 1981; 104: 333–350
- Regan D. Visual psychophysical tests in demyelinating disease. Bull. Soc. beige Ophtal. 208 1983; 1: 303–321
- Sanders E. A. C. M., Reulen J. P. H., Hogenhuis L. A. H. Central nervous system involvement in optic neuritis. J. Neurol. Neurosurg. Psychiat. 1984; 47: 241–249
- Von Békésy G. A new audiometer. Acta otolaryng. (Stockholm) 1947; 35: 411–422
- Zimmern R. L., Campbell F. W., Wilkinson J. M. Subtle disturbances of vision after optic neuritis elicited by studying contrast sensitivity. J. Neurol. Neurosurg. Psychiat. 1979; 42: 407–412