The presence of two spectrally different kinds of rod photoreceptors in amphibians has been hypothesized to enable purely rod-based colour vision at very low light levels. The hypothesis has never ...
Gregory and Cane 1 have proposed a statistical information theory of visual thresholds which derives the empirical laws governing absolute and differential visual thresholds from certain plausible ...
To assess the long-term visual outcomes and refractive status in patients with diode laser-treated threshold retinopathy of prematurity (ROP), and to investigate the causes of impaired visual function ...