Related Experiment Video
Updated: Feb 22, 2026

Intravitreal Injections in the Ovine Eye
Published on: July 5, 2022
Uveitis: a sight-threatening disease which can impact all systems.
Unnat Krishna1, Deji Ajanaku1, Alastair K Denniston1,2,3,4
1Department of Ophthalmology, University Hospital Birmingham NHS Foundation Trust, Birmingham, UK.
Uveitis, a group of intraocular inflammation conditions, is a leading cause of blindness often unrecognized by the public and non-specialist healthcare professionals. Understanding uveitis classification aids in effective treatment and recognizing its systemic disease associations.
Area of Science:
- Ophthalmology
- Immunology
Background:
- Uveitis encompasses intraocular inflammation affecting the uvea (iris, ciliary body, choroid) and adjacent structures like the retina, vitreous, and optic nerve.
- It is a significant, yet underappreciated, cause of global blindness due to limited public and non-ophthalmic healthcare professional awareness.
- Uveitis has wide-ranging associations with systemic diseases, impacting various medical specialties.
Purpose of the Study:
- To provide a non-specialist introduction to uveitis.
- To outline clinical presentations, diagnostic signs, and a framework for understanding the condition.
- To demonstrate how classification aids treatment strategies and prognosis, and highlights systemic associations.
Main Methods:
- Review article synthesizing current knowledge on uveitis.
- Focus on logical classification by aetiology and anatomical site.
- Emphasis on clinical presentation, diagnostic signs, and systemic associations.
Main Results:
- A systematic approach to uveitis classification facilitates targeted treatment strategies (drug choice, administration route).
- Understanding uveitis aids in predicting clinical presentation and prognosis.
- Recognizing systemic associations is crucial for comprehensive patient management across specialties.
Conclusions:
- Effective management of uveitis requires a structured approach to diagnosis and classification.
- Increased awareness among healthcare professionals and the public is essential to address its impact as a cause of blindness.
- Uveitis serves as a model for understanding the interplay between ocular inflammation and systemic health.
Related Concept Videos
Glaucoma: Overview
Photoreceptors and Visual Pathways
Angle Closure Glaucoma: Treatment
Open Angle Glaucoma: Treatment
Drugs such as carbonic anhydrase inhibitors, α2- and...
Accessory Structures of the Eye

