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Review
. 2017 Mar;100(2):128-132.
doi: 10.1111/cxo.12477. Epub 2016 Sep 29.

Post-trabeculectomy Ocular Biometric Changes

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Free article
Review

Post-trabeculectomy Ocular Biometric Changes

Mohammad Pakravan et al. Clin Exp Optom. .
Free article

Abstract

Trabeculectomy is the most common surgical procedure for the management of glaucoma, which may significantly influence ocular biometry. Axial length and anterior chamber depth tend to decrease, while crystalline lens and choroidal thickness increase post-operatively. An increase in with-the-rule astigmatism is also observed after the procedure. Such biometric changes affect intraocular lens power calculation even years after the procedure. Non-contact biometric methods and postponing cataract surgery after trabeculectomy could reduce calculation errors associated with surgically induced alterations in ocular biometrics.

Keywords: anterior chamber depth; axial length; choroidal thickness; keratometry; lens thickness; trabeculectomy.

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