@article{park_hwang_joo_2013, 
  title={Comparative Study of Clinical Outcomes Between 2 Types of Multifocal Aspheric Intraocular Lenses}, 
  volume={54}, 
  DOI={10.3341/jkos.2013.54.8.1199}, 
  publisher={Korean Ophthalmological Society (KAMJE)}, 
  author={Park and Hwang and Joo}, 
  year={2013}
  }