[The Lang stereo-test in mass screening of kindergarten students].

@article{Franceschetti1994TheLS,
  title={[The Lang stereo-test in mass screening of kindergarten students].},
  author={Albert Franceschetti and Guy Donati and O Jeanneret and H Hazeghi},
  journal={Klinische Monatsblatter fur Augenheilkunde},
  year={1994},
  volume={204 5},
  pages={363-5}
}
During the 1990-91 school year 2856 kindergarten children underwent screening in the Geneva area. Their visual acuity was measured and stereoscopic vision estimated with the Lang test. Positive cases were referred to an ophthalmologist for diagnosis.