Target intelligence / Profile preview

Ocular Surface Tear Film (Tear Film)

Target
Tear Film
Molecular classification
Fluid, Secretory Product, Extracellular Matrix Component
01

Overview

The tear film is a thin, multi-layered fluid coating that covers the ocular surface, including the cornea and conjunctiva. It is composed of lipid, aqueous, and mucin components, each contributing to lubrication, protection, and optical clarity. Tear film dysfunction is a major contributor to dry eye disease.

Other names
Tear FilmPrecorneal FilmLacrimal Fluid
02

Mechanism of action

N/A

03

Biological functions

LubricationOptical ClarityBarrier FunctionNutrient DeliveryWound HealingAntimicrobial Defense
04

Disease associations

Dry Eye DiseaseKeratoconjunctivitis SiccaMeibomian Gland DysfunctionCorneal UlcerLid Wiper Epitheliopathy
05

Safety considerations

Hypersensitivity to components of artificial tearsBacterial contamination of artificial tearsSteroid-induced glaucoma or cataractsAntibiotic resistance
06

Interacting drugs

Artificial Tears

4 more in the full profile.

07

Biomarkers

Tear OsmolarityMatrix Metalloproteinase-9 (MMP-9)LactoferrinLysozymeTear Film Break-Up Time (TBUT)Schirmer's Test

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