Night blindness
Night blindness is a condition that causes dogs to see poorly or not at all in the dark. It can have various causes, such as genetic predisposition, eye injuries or age-related changes. In this article, you can find out more about the symptoms, diagnosis and treatment options for night blindness in dogs.
What are the symptoms of night blindness in dogs?
The symptoms of night blindness in dogs can vary depending on the severity and cause. Some common signs are:
- Insecurity or fear in the dark
- Stumbling or bumping into objects or furniture
- Avoidance of dark rooms or areas
- Increased blinking or rubbing of the eyes
- Red, cloudy or glassy eyes
- Change in pupil size or reaction
How is night blindness diagnosed in dogs?
If you suspect that your dog is suffering from night blindness, you should take them to a vet who can carry out a thorough eye examination. The vet can use various tests to check your dog's vision and determine the cause of the night blindness. These include:
- A slit lamp examination to assess the structures of the front of the eye
- An ophthalmoscopy to assess the condition of the retina and optic nerve
- Electroretinography to measure the electrical activity of the retina
- A blood test to rule out possible systemic diseases
How is night blindness treated in dogs?
The treatment of night blindness in dogs depends on the underlying cause. In some cases, night blindness may be reversible if the cause is corrected. For example, inflammation of the eye can be treated with medication, or a vitamin A deficiency can be corrected with a change in diet. In other cases, night blindness can be irreversible if the retina or optic nerve is permanently damaged. For example, progressive retinal atrophy (PRA) cannot be cured, only its progression slowed.
In any case, you should help your dog to adapt to his impaired vision and enable him to live a safe and comfortable life. You can do this by taking the following measures:
- Keep the light in your home constant and avoid sudden changes in brightness
- Mark stairs, doors or other obstacles with reflective tape or lights
- Avoid moving or rearranging furniture or objects
- Give your dog a soft bed and toys in bright colors
- Praise and reward your dog for his confidence and independence
The authors assume that a veterinarian should be consulted if an animal is ill and that medication should only be taken after consultation with a doctor or pharmacist. Only an individual examination can lead to a diagnosis and treatment decision.
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