Heliophobia (disambiguation)

Heliophobia refers to light sensitivity:

  • In psychology, heliophobia is the morbid fear of sunlight
  • In medicine it can refer to:
    • Hemeralopia, day blindness, inability to see clearly in bright light
    • Photophobia, an excessive sensitivity of the eyes to sunlight. Notable causes include:
      • Keratoconus, results in extreme optic sensitivity to sunlight and bright lights
  • In biology, heliophobic plants or animals have an aversion to sunlight. Heliophobous plants are commonly known as "shade-tolerant".