Related Experiment Video
Updated: Jun 26, 2026

07:39
Corneal and Limbal Alkali Injury Induction Using a Punch-Trephine Technique in a Mouse Model
Published on: August 4, 2023
[Eyelid necrosis caused by an hymenopteran insect bite]
H Offret1, J Porras, M Labetoulle
1Service d'Ophtalmologie, CHU de Bicêtre, Le Kremlin-Bicêtre. herve.offret@bct.aphp.fr
Journal Francais D'Ophtalmologie
|December 25, 2008
Summary
Extensive eyelid necrosis resulted from a hymenopteran insect bite. This case highlights insect bites as a cause of severe eyelid injury and necrosis.
Area of Science:
- Ophthalmology
- Toxicology
- Entomology
Background:
- Eyelid necrosis is a severe condition that can result from various factors, including medication side effects and animal venoms.
- Hymenopteran insect bites are a known, albeit less common, cause of venom-induced tissue damage.
Observation:
- A case report details a 39-year-old male patient experiencing extensive eyelid necrosis following ocular trauma from a hymenopteran insect in Tunisia.
- The patient's presentation included significant necrosis of the eyelid tissue.
Findings:
- Insect bites, particularly from hymenopteran species, can induce vasoconstriction and venom-related toxicity, leading to eyelid necrosis.
- Mechanisms of insect bite-induced eyelid necrosis are explored, alongside a review of other potential etiologies for this condition.
Implications:
- This case underscores the importance of considering insect bites in the differential diagnosis of eyelid necrosis.
- Awareness of this potential complication is crucial for ophthalmologists and clinicians managing ocular trauma.
- Further research into the specific venom components and pathophysiological pathways involved in insect bite-induced eyelid necrosis may be warranted.
Related Concept Videos
Necrosis
Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
Accessory Structures of the Eye
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
American Trypanosomiasis
Chagas disease, or American trypanosomiasis, is a vector-borne parasitic infection caused by Trypanosoma cruzi, a flagellated protozoan (kinetoplastid) of the family Trypanosomatidae. The disease is endemic in Latin America, although cases are increasingly reported worldwide due to human migration. Transmission most commonly occurs when feces of infected triatomine bugs contaminate bite wounds or mucosal surfaces; additional routes include congenital, transfusional, transplant-related, and oral...