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24.10.2017 | Case Report | Ausgabe 6/2018

International Ophthalmology 6/2018

Bilateral acute angle closure glaucoma and myopic shift by topiramate-induced ciliochoroidal effusion: case report and literature review

Zeitschrift:
International Ophthalmology > Ausgabe 6/2018
Autoren:
Yu-Wen Lan, Jui-Wen Hsieh

Abstract

Purpose

To report two cases of ciliochoroidal effusion after the usage of topiramate.

Cases

Two middle-aged women experienced sudden onset of acute glaucoma and acquired myopia after taking topiramate. Ultrasound biomicroscopy demonstrated bilateral ciliochoroidal effusion and angle closure. The A-scan ultrasonography revealed shallow anterior chamber and thick lens. After the treatment and drug withdrawal, intraocular pressure, refractive status and angle anatomy returned to normal and there was resolution of ciliochoroidal effusion. During the clinical course, the anterior chamber depth (ACD) increased from 2.02 to 3.30 mm (1.28 mm of changes) OD and from 1.94 to 3.36 mm (1.42 mm of changes) OS. The lens thickness (LT) became thinner from 4.53 to 4.31 mm (0.22 mm of changes) OD and from 4.59 to 4.30 mm (0.29 mm of changes) OS in the first case. In the second case, the ACD increased from 2.33 to 3.07 mm (0.74 mm of changes) OD and from 2.30 to 3.05 mm (0.75 mm of changes) OS. The LT became thinner from 4.42 to 4.27 mm (0.15 mm of changes) OD and from 4.38 to 4.26 mm (0.12 mm of changes) OS. The forward displacement of the lens–iris diaphragm contributed more to the shallowness of the anterior chamber than the thickening of the lens itself (only accounting for 20%).

Conclusion

Topiramate-induced bilateral acute angle closure glaucoma and myopic shift was due to ciliochoroidal effusion which resulted in thicker lens and shallow anterior chamber. The later was mainly due to anterior displacement of the lens–iris diaphragm.

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Literatur
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