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Related Experiment Video

Updated: Mar 19, 2026

Iris Fixation via External Pentagram Suturing

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Published on: May 5, 2022

Bilateral acute iris transillumination: Case report.

Cumali Degirmenci¹, Suzan Guven Yilmaz², Melis Palamar²

¹Cumra State Hospital, Department of Ophthalmology, 42500 Cumra, Konya, Turkey.

Saudi Journal of Ophthalmology : Official Journal of the Saudi Ophthalmological Society

|June 23, 2016

Summary

This summary is machine-generated.

Bilateral acute iris transillumination (BAIT) is a newly identified condition causing severe eye pigment dispersion and pupil paralysis. A case study linked BAIT to a bacterial urinary tract infection, highlighting the need for clinical vigilance.

Keywords:

Iris transillumination Masquerade syndrome Pigment dispersion Uveitis

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Published on: September 20, 2018

Area of Science:

Ophthalmology
Medical Research

Background:

Bilateral acute iris transillumination (BAIT) is a recently defined ocular condition.
It is characterized by severe, bilateral iris pigment dispersion and pupil sphincter paralysis.
The exact cause of BAIT remains unknown, with potential links to antibiotics, viral infections, or fumigation therapies.

Purpose of the Study:

To present a case of acute iridocyclitis refractory to standard treatments.
To investigate the potential underlying causes of BAIT in a clinical setting.
To emphasize the importance of recognizing BAIT to prevent misdiagnosis and inappropriate treatment.

Main Methods:

A case report of a 33-year-old female patient with refractory acute iridocyclitis.
Comprehensive ophthalmic examination including assessment for pigment dispersion and iris transillumination.
Systemic evaluation to identify potential contributing factors.

Main Results:

The patient presented with bilateral pigment dispersion, significant iris transillumination, and elevated intraocular pressure.
Ocular findings were refractory to immunosuppressive and anti-inflammatory treatments.
Systemic evaluation revealed an underlying bacterial urinary tract infection.

Conclusions:

Bilateral acute iris transillumination (BAIT) is a significant cause of ocular pigment dispersion.
Clinicians should maintain a high index of suspicion for BAIT in relevant cases.
Prompt identification of BAIT can prevent unnecessary diagnostic procedures and treatments.