scotoma

a defect of vision in a defined area of the visual field in one or both eyes. A common prodromal symptom is a shimmering film appearing as an island in the visual field.

Etymology: Latin from Greek skotōma giddiness, from skotoun to make dark, from skotos darkness, oma, tumor

(Pathology) pathol a blind spot; a permanent or temporary area of depressed or absent vision caused by lesions of the visual system, viewing the sun directly (eclipse scotoma)

(Psychology) psychol a mental blind spot; inability to understand or perceive certain matters

 

σκότος (skótos)

 darkness, gloom

  •     the darkness of death  
  •     the darkness of the netherworld
  •     the darkness of the womb  
  •     blindness 
  •     obscurity 
  •     the dark part or shadow in a picture