Table of contents:
- What worms live in the eyes?
- How parasites get into the eyes
- What helminths live in human eyes
- Symptoms of eye worms
- How to get rid of worms in the eyes
Video: What Worms Live In The Eyes?
What worms live in the eyes?
Helminths can parasitize not only in the human intestine, but also in other organs. For example, worms often appear in the eyes, while the patient most often does not even suspect that he is suffering from helminthic invasion, because the disease is often disguised as symptoms of other ophthalmic pathologies.
Often there are worms in the eyes, while the patient most often does not even suspect about it.
How parasites get into the eyes
Most often, helminth larvae enter the visual system along with the bloodstream from other affected organs - intestines, liver, lungs, etc. Moreover, in most cases, primary infection occurs through the fecal-oral route - through dirty hands, when eating unwashed vegetables and fruits, meat and fish containing eggs of worms.
After an incorrectly conducted deworming, the worms do not die, but begin to move in the human body, trying to find a safer area. Infection can also occur due to insects that transmit disease when bitten or lay eggs in organ tissue.
What helminths live in human eyes
The organs of vision can be inhabited by eye parasites of various types - intestinal, extraintestinal and insect larvae.
Ascaris is considered an intestinal parasite, but it can also invade the eye tissue.
Helminths in the larval stage are thrown into the pharyngeal cavity when coughing and penetrate into the visual system.
During migration, sexually mature roundworms are able to move through the intestines and get into the eyes.
Roundworms are considered an intestinal parasite, however, under the confluence of some circumstances, they can penetrate into the eye tissues, while both larvae of worms and individuals of an adult form can survive in the organs of vision.
Helminths in the larval stage are thrown into the pharyngeal cavity when coughing and penetrate the visual system along the back of the throat or nasal passages. During migration, sexually mature roundworms are able to move along the intestines, stomach and esophagus, from where they can also get into the eyes.
However, helminths remain in the tissues, covered with a protective membrane, causing conjunctivitis and other inflammatory eye diseases. Not only human roundworms can affect the organs of vision, but also other varieties of these worms, including canine and feline toxocara.
Other types of worms can affect the organs of vision, including canine and feline toxocara.
Ophthalmic opisthorchiasis is a disease that is provoked by flatworm flukes. These extraintestinal types of helminths enter the human body when eating infected fish, parasitize the liver and pancreas, but often migrate to the anterior parts of the eyes, affecting the optic vessels and nerves, which can lead to blindness. For ocular opisthorchiasis, simultaneous damage to both eyes is characteristic.
Tapeworms have the ability to survive in almost any part of the human body and infect soft tissue, spreading through the body through the bloodstream.
Penetrating into the eyes, tapeworms contribute to the formation of cysts, have a toxic and mechanical effect on the visual system, causing dangerous ophthalmic pathologies that can lead to blindness.
Tapeworms, affecting the optic vessels and nerves, can lead to blindness.
Trichinella are roundworms whose larvae can infect the oculomotor muscles. Here, the larval form of parasites is encapsulated, turning into muscle trichina, and feeds on substances entering the muscle tissue. In this form, the helminth can exist in the organs of vision for several years.
Most often, this does not cause a decrease in visual acuity, however, it strongly affects the appearance and well-being of the patient. Trichinosis is classified as a deadly disease.
Some insect species are capable of laying eggs in the eyes of humans. These include:
- flies of the family Muscidae, Calliphoridae, Sarcophagidae, Wohlfahrtia;
- abdominal gadflies;
- horse and sheep gadflies.
Developing in the organs of vision, the larvae of these insects cause tissue suppuration and deterioration of vision, ophthalmomyiasis, which can result in complete loss of the affected eye.
Flies of the families Muscidae, Calliphoridae, Sarcophagidae, Wohlfahrtia can lay eggs in human eyes.
Symptoms of eye worms
The following signs are common to all types of ophthalmic helminthic invasions:
- swelling and redness of the eyelids;
- inflammation of the cornea and conjunctiva of the eye;
- itching, burning, pain in the eyes;
- tearing, photophobia;
- purulent discharge from the organs of vision;
- sensation of a foreign body in the eye.
With severe damage to the eyes by parasites, the iris becomes cloudy over time, a decrease in visual acuity is noted up to complete blindness.
Some types of helminths are visible to the naked eye: they look like small threads located in the eyeball or under the mucous membrane of the eyelids. When they move, a person can feel the movement of parasites and twitching of the eye muscles.
Lacrimation is common to all types of ophthalmic helminthic invasions.
With the penetration of insect larvae into the eye of the infected, the formation of a furuncle-like tumor with a hole in the middle, located on the eyelid at the place of laying eggs, or the appearance of an inflamed nodule on the mucous membrane of the optic organ is observed. At the same time, the eyelids swell, the conjunctiva turns red and swells.
Symptoms persist for 1-2 weeks - until the moment when the larva leaves the eye tissue for further maturation outside the human body.
Some types of external ophthalmomyiasis are more severe. The larvae of the wolfarth fly, getting under the skin, begin to eat away muscle tissue and can reach the periosteum, provoking osteomyelitis.
If the larvae of a fly or gadfly penetrate into the eyeball, it is not always possible to identify the pathology in time, since in the first days there are often no symptoms.
With intraocular ophthalmomyasia, a person experiences pain in the eyes.
Subsequently, there is severe irritation of the conjunctiva, constriction of the pupil, pain in the eyes, involuntary lacrimation. Patients often see flickering black dots, which is associated with damage to the retina. In severe ophthalmomyasis, corneal opacity is observed.
How to get rid of worms in the eyes
If the first symptoms of eye worms occur, it is necessary to consult a doctor as soon as possible, otherwise you can completely lose your vision. Self-medication in such a situation is unacceptable.
To eliminate adults and larvae of worms, both traditional methods of surgical intervention and other procedures (photocoagulation method, vitrectomy) are used.
After the operation, the patient is prescribed antihelminthic agents of systemic action (Mebendazole, Praziquantel, Albendazole, etc.).
After the operation, the patient is prescribed a systemic antihelminthic agent - Mebendazole.
Additionally, medications are used to eliminate the manifestations and complications of the disease (antihistamines, antitoxic, antimicrobial drugs). For external therapy, drops and ointments with an anthelmintic effect are used.
To avoid the development of ocular helminthiasis, you must:
- Wash hands with soap and water before eating, after visiting public places and the toilet, after handling soil.
- Thoroughly wash vegetables and fruits before use, refuse unboiled water, subject fish and meat to sufficient heat treatment.
- Avoid close contact with pets.
- Do not touch the skin of the face and especially the eyes with dirty hands.
- Monitor the cleanliness of the home, get rid of insects. In the warm season, use protective equipment to prevent bites from horseflies, gadflies, flies and mosquitoes.
1-2 times a year, it is necessary to carry out the prevention of helminthic invasions with the help of medications, after consulting with a specialist. If worms are found in the body, it is necessary to timely carry out the treatment prescribed by the doctor.