Night blindness, also called nyctalopia, means a person cannot see well at night or in poor light. Night blindness is not an eye condition itself, but is a symptom of other eye problems, such as untreated short-sightedness.

Night blindness affects the ability to drive and is a condition the Driver and Vehicle Licensing Agency (DVLA) needs to be told about.

What causes night blindness?

Night blindness is due to a disorder of the cells in the retina that are responsible forvision in dim light. It has many causes, including:

  • Short-sightedness
  • Glaucoma medications that work by constricting the pupil
  • Cataracts
  • Retinitis pigmentosa
  • Vitamin A deficiency

 

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