presbyopia | definition

  • visual defect in which the image focus falls behind the retina, thereby making images in the distance clear, but close-up images blurry
  • caused by age-based changes in the lens

Source:

Clark, M., Douglas, M., Choi, J. Biology 2e. Houston, Texas: OpenStax. Access for free at: https://openstax.org/details/books/biology-2e