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An inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder.

Symptoms of Night Blindness

The following features are indicative of Night Blindness:
  • insufficient adaptation to darkness
  • the inability to see in bright light
It is possible that Night Blindness shows no physical symptoms and still is present in a patient.

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Common Causes of Night Blindness

The following are the most common causes of Night Blindness:
  • cataract
  • nearsightedness
  • vitamin A deficiency
  • birth defects
  • retinitis pigmentosa

Prevention of Night Blindness

Yes, it may be possible to prevent Night Blindness. Prevention may be possible by doing the following:
  • avoid driving a car at night in case of night blindness

Occurrence of Night Blindness

Number of Cases

The following are the number of Night Blindness cases seen each year worldwide:
  • Common between 1 - 10 Million cases

Common Age Group

Night Blindness can occur at any age.

Common Gender

Night Blindness can occur in any gender.

Lab Tests and Procedures for Diagnosis of Night Blindness

The following lab tests and procedures are used to detect Night Blindness:
  • Slit lamp examination: Diagnose front sections of the eye
  • Electroretinography: A test that measures the electrical response of the eye's light-sensitive cells

Doctor for Diagnosis of Night Blindness

Patients should visit the following specialists if they have symptoms of Night Blindness:
  • Opthalmologist

Complications of Night Blindness if untreated

Yes, Night Blindness causes complications if it is not treated. Below is the list of complications and problems that may arise if Night Blindness is left untreated:
  • xerophthalmia

Self-care for Night Blindness

The following self-care actions or lifestyle changes may help in the treatment or management of Night Blindness:
  • Consumption of yellow orange fruits and vegetables rich in carotenoids: Prevents vitamin A deficiency related to night blindness

Alternative Medicine for Treatment of Night Blindness

The following alternate medicine and therapies are known to help in the treatment or management of Night Blindness:
  • Vitamin A supplementation: Helpful in fulfilling vitamin A deficiency

Patient Support for Treatment of Night Blindness

The following actions may help Night Blindness patients:
  • Support and advocacy groups support: Helps to connect with other patients and families and provide valuable services to reduce the risks of night blindness

Last updated date

This page was last updated on 2/04/2019.
This page provides information for Night Blindness.

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