Diurnal growth rhythms in the chicken eye: relation to myopia development and retinal dopamine levels

@article{Weiss1993DiurnalGR,
  title={Diurnal growth rhythms in the chicken eye: relation to myopia development and retinal dopamine levels},
  author={Stefan Weiss and Frank Schaeffel},
  journal={Journal of Comparative Physiology A},
  year={1993},
  volume={172},
  pages={263-270}
}
1. If the eyes of young chickens are deprived of clear vision by translucent occluders, they develop considerable amounts of axial myopia within days. At the same time, the day time retinal dopamine levels drop by about 30%. Because the retinal dopamine levels of normally sighted chicks also differ diurnally and are low at night, we expected that the rate of axial eye growth might also differ during this time. 2. Unexpectedly, eyes grew in length only during the day (about 0.13 mm/day) and even… CONTINUE READING

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