Horizontal and anterior chamber diameter for phakic intraocular lens sizing.

Clinical & Experimental Optometry : Journal of the Australian Optometrical Association
Adam A OleszkoMaria M Muzyka-Woźniak

Abstract

Proper selection of phakic intraocular lens diameter is necessary to avoid complications related with excessive vaulting after its implantation. Horizontal corneal diameter, measured as white-to-white distance, is one of the parameters used for phakic intraocular lens diameter calculation. Agreement was assessed between three parameters: white-to-white distance obtained with swept source optical coherence tomography, and white-to-white distance obtained with Scheimpflug camera and angle-to-angle parameter obtained with anterior segment optical coherence tomography. This study included 55 eyes of 43 patients. The white-to-white distance was measured with two biometry techniques: swept source optical coherence tomography and Scheimpflug camera. The angle-to-angle was measured with anterior segment optical coherence tomography. Analysis of agreement was performed by the Bland-Altman method. For every patient, simulation of Visian Implantable Collamer Lens (ICL) sizing was performed using the Online Calculation and Ordering System with different white-to-white distance or angle-to-angle. Statistically significant differences were found between swept source optical coherence tomography biometer and anterior segment optical coherence...Continue Reading

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Citations

Jun 12, 2021·Clinical & Experimental Ophthalmology·Aaron P C OngCharles N J McGhee

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