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Ocular Larva Migrans – causes, side effects and treatments at

Monday, July 02, 2018 by

Ocular larva migrans is an infection of the eye caused by the parasitic roundworm called Toxocara canis – often found in the intestines of dogs and cats. This rare condition can cause vision loss and mostly victimizes children aged between three and 11 years old. In about 90 percent of reported cases of ocular larva migrans, only one eye is affected.

The roundworm responsible for this disease is often passed from animal feces to human beings and its prevalence is more common in place with poor sanitation.

Known risk factors and symptoms of ocular larva migrans

People who are often in close contact with dogs and cats are at higher risk of contracting the disease. This makes children more vulnerable to ocular larva migrans as they’re often the ones playing with these animals.

The symptoms of the ocular larva migrans include:

  • Pain in the eyes
  • Swelling of the eyes
  • Gradual loss of vision
  • Presence of eye floaters
  • Light sensitivity
  • Inflammation of the vitreous
  • Blood red conjunctiva
  • Vision loss in the affected eye
  • Edema in the macula
  • Retinal detachment
  • Atrophy of optic nerve

Body systems affected by ocular larva migrans

Ocular larva migrans can lead to possible complications, such as:

  • Vision impairment
  • Complete loss of vision
  • Removal of the affected eye

Food items or nutrients that may prevent ocular larva migrans

To naturally prevent or relieve the symptoms of ocular larva migrans and remove traces of the Toxocara canis, experts recommend these foods and remedies:

  • Black walnut – According to research, black walnut is an effective food against 100 parasites as it contains a chemical called juglone, which is antibacterial, antiviral, anti-cancer, and anti-parasitic.
  • Garlic – It is a known natural antibiotic that helps to naturally fight off parasites, bacteria, and germs in the body.
  • Oregano oil – It contains carvacrol which is known for having protective properties. Oregano oil also has thymol, a potent substance great in treating parasites.
  • Homeopathic remedies
  • Nutmeg essential oil

Treatments, management options for ocular larva migrans

Treating ocular larva migrans requires either medications or natural remedies which have anti-parasitic properties like the ones mentioned above. Meanwhile, it’s best to prevent the condition by observing the following:

  • Stay away from places where dogs or cats play
  • Stay away from places where the pets defecate
  • Observe good personal hygiene
  • Always bring the pets to the veterinary doctor for a check-up

Where to learn more


Ocular larva migrans is an eye infection caused by an animal roundworm called Toxocara canis. Children between three and 11 years of age are normally at a higher risk of getting the disease. Symptoms of this condition include pain in the eyes, swelling of the eyes, gradual loss of vision, the presence of eye floaters, and light sensitivity.

This eye infection has a tendency to lead to more serious complications, such as vision impairment, complete loss of vision, and the removal of the affected eye.

It is also advised to keep children away from places where dogs and cats normally play and/or defecate, observe good personal hygiene, and reguarly have the pets checked by an animal doctor.

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