Abstract

There has been renewed interest in the family of visual hyperacuities (Westheimer, 1979). As a class the hyperacuities share the property of having resolution limits which are smaller than the scale of the cone spacing -- the limiting factor for two point and grating resolution. Of particular interest, both to theoreticians (Geisler, 1984; Watt, 1984; Klein and Levi, 1985; Wilson, 1986) and clinicians (Levi and Klein, 1982; Williams et al., 1984), has been the ability of observers to discriminate small vernier misalignments.

© 1988 Optical Society of America