English edit

Etymology edit

under- +‎ illuminated

Adjective edit

underilluminated (comparative more underilluminated, superlative most underilluminated)

  1. Insufficiently illuminated
    • 2015 June 8, Jose Javier Garcia-Medina et al., “Does Posterior Capsule Opacification Affect the Results of Diagnostic Technologies to Evaluate the Retina and the Optic Disc?”, in BioMed Research International[1], volume 2015, →DOI:
      PCO translucent opacities apparently induce erratic light-scatter within the eye, which results in a combination of underilluminated retinal areas and in an increased PSD.