catheter
Thin Flexible Tube
Plain-language definition
A thin tube inserted into the body. In ophthalmology, used for procedures like nasolacrimal duct probing/stenting and some glaucoma surgeries.
Where this term comes up
“One catheter sits in a brain ventricle, a valve regulates flow under the skin, and tubing carries fluid to the abdomen where it is absorbed.”
Treatment · VP Shunt (Ventriculoperitoneal Shunt)
“Bloodstream infection is less common, but sepsis, IV drug use, indwelling catheters, and immunocompromise raise concern”
Condition · Endophthalmitis
“Tenon's fascia dissected and a 22-gauge IV catheter inserted into the posterior sub-Tenon space”
Publication · Sub-Tenon Atracurium Injection in Rabbit Eyes: A Histopathologic Study
- Category
- Treatment or procedure
- Also written as
- catheters
Treatment terms describe procedures, surgeries, devices, or treatment strategies used to manage eye and vision conditions.
Related glossary terms
- autoimmune
Self-Attacking Immune Response
- complement
Immune Defense Cascade
- conjunctiva
Eye Surface Membrane
- demyelination
Nerve Insulation Damage
- endothelium
Inner Cell Lining
- MOGAD
MOG Antibody Disease
A note on medical context
A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.