Couching a cataract.

@article{Brown1982CouchingAC,
  title={Couching a cataract.},
  author={Powel Brown},
  journal={Medical instrumentation},
  year={1982},
  volume={16 2},
  pages={123}
}
Couching a cataract, which involved using a needle to pierce the eye and push the cataract back and down, was a popular technique until about 1850.