Impaired color vision in cocaine-withdrawn patients.

  title={Impaired color vision in cocaine-withdrawn patients.},
  author={Pretik Desai and M. Roy and Anand Roy and Sarah P Brown and David A Smelson},
  journal={Archives of general psychiatry},
  volume={54 8},
BACKGROUND The main reinforcing effect of cocaine happens by altering dopaminergic neurotransmission in the brain reward systems. Dopamine is found in high concentrations in the retina in which it plays an important role in color vision. Therefore, we investigated whether cocaine-dependent patients might have impaired color vision. METHODS We compared patients recently withdrawn from cocaine (n = 31) with matched normal controls (n = 31) on 2 color vision tests. RESULTS Cocaine-withdrawn… CONTINUE READING