1. Harwerth RS, Crawford M, Frishman L, Viswanathan S, Smith E III, Carter-Dawson L (2002) Visual field defects and neural losses from experimental glaucoma. Prog Retina Eye Res 21:91–125
2. Gaasterland DE, Kupfer C (1974) Experimental glaucoma in the rhesus monkey. Invest Ophthalmol 13:455–457
3. Maddess T, Goldberg I, Dobison J et al (1995) Clinical trials of the frequency doubling illusion as an indicator of glaucoma (ARVO abstracts. Invest Ophthalmol Vis Sci 36:335
4. Johnson CA, Samels JS (1997) Screening for glaucomatous visual field loss with frequency-doubling perimetry. Invest Ophthalmol Vis Sci 38:413–425
5. Kelly DH (1996) Frequency doubling in usual responses. Opt Soc Am 56:1628–1633