Acute severe vision decrease immediately after photodynamic therapy.

@article{Beaumont2004AcuteSV,
  title={Acute severe vision decrease immediately after photodynamic therapy.},
  author={Paul Beaumont and Charmaine S M Lim and Andrew A. Chang and Kwon Kyoo Kang},
  journal={Archives of ophthalmology},
  year={2004},
  volume={122 10},
  pages={1546-7}
}