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Related Experiment Video

Updated: Jul 16, 2026

Primed Mycobacterial Uveitis (PMU) as a Model for Post-Infectious Uveitis

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Acquired trichomegaly in uveitis.

Atilla Bayer¹, Hasan Bagkesen, Gungor Sobaci

¹Department of Ophthalmology, GATA Medical School, Ankara, Turkey.

Canadian Journal of Ophthalmology. Journal Canadien D'Ophtalmologie

|March 16, 2007

Summary

Patients with uveitis, an inflammatory eye condition, showed significantly longer eyelashes (trichomegaly). This suggests a potential link between ocular inflammation and eyelash growth, warranting further investigation into underlying mechanisms.

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Experimental Autoimmune Uveitis: An Intraocular Inflammatory Mouse Model

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Area of Science:

Ophthalmology
Inflammation Research
Dermatology

Background:

Mediators of eyelash growth (trichomegaly) are implicated in ocular inflammation pathogenesis.
Clinical observations suggest a connection between trichomegaly and uveitis.

Purpose of the Study:

To investigate the relationship between trichomegaly and endogenous uveitis.
To determine if uveitis patients exhibit differences in eyelash length compared to controls.

Main Methods:

Prospective case-control study involving 90 uveitis patients and 360 matched controls.
Eyelash lengths (upper and lower) were measured using Castroviejo calipers by two independent observers.
Statistical comparison of eyelash lengths between the uveitis group and the control group.

Main Results:

Uveitis patients demonstrated significantly longer upper and lower eyelashes compared to controls (p<0.001).
A significant negative correlation between eyelash length and age was observed in both groups (p<0.001).
Eyelash length was not significantly affected by steroid use, systemic involvement, number of attacks, or laterality in uveitis patients.

Conclusions:

A positive association exists between trichomegaly and uveitis.
Further research is required to confirm this association and understand the mechanisms driving trichomegaly in uveitis.