Related Experiment Video
Updated: Jul 3, 2026

07:43
Establishment of a Severe Dry Eye Model Using Complete Dacryoadenectomy in Rabbits
Published on: January 8, 2020
Loxosceles reclusa bite to the eyelid.
U Keklikci1, S Akdeniz, Y B Sakalar
1Department of Ophthalmology, Dicle University Faculty of Medicine, Diyarbakir, Turkey. ukeklikci@yahoo.com
European Journal of Ophthalmology
|July 9, 2008
Summary
This case study details a Loxosceles reclusa (brown recluse spider) infestation on an eyelid, successfully treated with conservative measures. Diagnosis was confirmed via enzyme-linked immunosorbent assay (ELISA) detecting venom proteins.
Area of Science:
- Ophthalmology
- Toxicology
- Dermatology
Background:
- Loxosceles reclusa envenomation typically presents with cutaneous necrosis.
- Ocular involvement, while rare, can lead to significant morbidity.
Observation:
- A patient presented with severe eyelid edema and necrosis following suspected Loxosceles reclusa exposure.
- Laboratory findings included a left shift in white blood cell count, indicating an inflammatory response.
Findings:
- Enzyme-linked immunosorbent assay (ELISA) confirmed the presence of Loxosceles venom in the affected eyelid lesion.
- Despite initial severe symptoms, the patient's vision was preserved, with only minor residual eyelid scarring and punctate epitheliopathy.
Implications:
- Conservative management, including saline compresses and ocular lubrication, appears effective for Loxosceles reclusa eyelid infestations.
- ELISA is a valuable tool for confirming Loxosceles envenomation in challenging presentations like eyelid involvement.
Related Concept Videos
Muscles of the Eye
The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...
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...
Angle Closure Glaucoma: Treatment
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
