Real-time imaging of transscleral diode laser cyclophotocoagulation by optical coherence tomography

To present optical coherence tomography (OCT) for real-time imaging of cyclophotocoagulation effects. In a pilot study, real-time transscleral OCT images were generated during diode laser cyclophotocoagulation in four eyes of four patients suffering from uncontrolled glaucoma using a specially desig...

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Bibliographic Details
Published in:Graefe's archive for clinical and experimental ophthalmology 2007-03, Vol.245 (3), p.385-390
Main Authors: Hoerauf, H, Müller, M, Hüttmann, G, Winter, C, Schlote, T
Format: Article
Language:English
Subjects:
Ciliary Body - pathology
Ciliary Body - surgery
Computer Systems
Diagnostic Techniques, Ophthalmological
Glaucoma - surgery
Humans
Intraocular Pressure
Laser Coagulation - methods
Ophthalmology
Pilot Projects
Tomography, Optical Coherence
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Summary:To present optical coherence tomography (OCT) for real-time imaging of cyclophotocoagulation effects. In a pilot study, real-time transscleral OCT images were generated during diode laser cyclophotocoagulation in four eyes of four patients suffering from uncontrolled glaucoma using a specially designed contact applicator containing the OCT fiber, a focussing fiber optic and the fiber of the diode laser. When the contact system was used, two layers could be differentiated: a superficial thick hyperreflective complex representing conjunctiva, Tenon's capsule, episclera and sclera, and a thinner hyporeflective layer representing the ciliary body. During cyclophotocoagulation, real-time OCT showed a clear and sudden thickening of the ciliary body in the treated area. This new OCT device represents a first step towards visual, real-time imaging of cyclophotocoagulation. After further adaptation of the delivery system, further trials are needed to correlate OCT findings with aqueous production and intraocular pressure.
ISSN:0721-832X
1435-702X
DOI:10.1007/s00417-006-0421-4