Ocular Pulse Amplitude Before and After Cataract Surgery

Purpose: To investigate the impact of cataract surgery on the association of the ocular pulse amplitude (OPA) and intraocular pressure (IOP) with respect to the interpretation of OPA as an estimate of ocular blood flow. Methods: Twenty-four patients with cataract were included in a clinical study. O...

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Bibliographic Details
Published in:Current eye research 2012-02, Vol.37 (2), p.115-119
Main Authors: Plange, Niklas, Rennings, Corinna, Herr, Anne, Weber, Anke, Roessler, Gernot F., Mazinani, Babac E., Kaup, Marion, Remky, Andreas
Format: Article
Language:English
Subjects:
Aged
Blood Pressure - physiology
Cataract surgery
Dynamic contour tonometry
Eye - blood supply
Female
Heart Rate - physiology
Humans
Intraocular pressure
Intraocular Pressure - physiology
Lens Implantation, Intraocular
Male
Ocular blood flow
Ocular pulse amplitude
Phacoemulsification
Tonometry, Ocular
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Summary:Purpose: To investigate the impact of cataract surgery on the association of the ocular pulse amplitude (OPA) and intraocular pressure (IOP) with respect to the interpretation of OPA as an estimate of ocular blood flow. Methods: Twenty-four patients with cataract were included in a clinical study. OPA was measured using dynamic contour tonometry (DCT, Pascal®, SMT Swiss Microtechnology AG, Switzerland). IOP was measured by means of Goldmann applanation tonometry (IOP GAT) and DCT (IOP DCT). All measurements were performed before and one day after cataract surgery. Results: At baseline, OPA was correlated to IOP GAT (r = 0.67, P = 0.0002) and IOP DCT (r = 0.82, P 
ISSN:0271-3683
1460-2202
DOI:10.3109/02713683.2011.626910