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Related Concept Videos

Microbiome of the Eye01:22

Microbiome of the Eye

The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...
Chronic Pharyngitis01:23

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Glaucoma: Overview01:25

Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
Angle Closure Glaucoma: Treatment01:28

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...

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Related Experiment Video

Updated: Jun 25, 2026

Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome
03:40

Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome

Published on: April 25, 2025

Sinonasal lymphoma masquerading as persistent blepharoconjunctivitis.

Shailesh Gupta1, Farhana Syed, Ravi K Murthy

  • 1Department of Ophthalmology, University of Florida College of Medicine, Jacksonville, Florida 32209, USA.

Orbit (Amsterdam, Netherlands)
|February 21, 2009
PubMed
Summary
This summary is machine-generated.

Sinonasal lymphoma, a rare cancer of the nose and sinuses, can unusually present as persistent blepharoconjunctivitis. Chemotherapy effectively treated this rare presentation, leading to disease remission.

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Last Updated: Jun 25, 2026

Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome
03:40

Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome

Published on: April 25, 2025

Area of Science:

  • Ophthalmology
  • Oncology
  • Pathology

Background:

  • Sinonasal lymphoma is a rare malignancy originating in the nasal cavity and paranasal sinuses.
  • Common symptoms include nasal obstruction, discharge, epistaxis, and facial swelling.
  • Orbital involvement can cause proptosis, blurred vision, and diplopia.

Observation:

  • This case report details an unusual ocular presentation of sinonasal lymphoma as persistent blepharoconjunctivitis.
  • The patient presented with symptoms primarily affecting the eye.
  • This presentation is atypical for sinonasal lymphoma.

Findings:

  • Biopsy of the tumor confirmed sinonasal lymphoma through positive immunoreactivity.
  • The diagnosis was established based on histopathological examination.
  • The specific subtype of lymphoma was identified via immunohistochemistry.

Implications:

  • Persistent blepharoconjunctivitis should be considered a potential, albeit rare, ocular symptom of sinonasal lymphoma.
  • Early diagnosis and appropriate treatment, such as chemotherapy, are crucial for successful management.
  • This case highlights the importance of a comprehensive diagnostic approach for unusual presentations of sinonasal malignancies.