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Jessica A. Carmona Hernandez, Oscar Baca-Lozada, Regina Velasco-Ramos, Oscar Fernandez-Vizcaya, Alejandro Babayan-Sosa; Position Of Acrysof Cachet Phakic Intraocular Lens Evaluated With Optic Coherence Tomography And Ultrasonic Biomicroscope. Invest. Ophthalmol. Vis. Sci. 2011;52(14):4211.
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To evaluate the position of the Acrysof Cachet phakicintraocular lens and its anatomical relation withthe structures of the anterior segment through time, using optic coherence tomography (OCT) and ultrasonic biomicroscope (VUMAX UBM 35/50)
We included patients from July 2009 to October 2010 for a longitudinal, observational and descriptive study. The measurementsweretakenat one week, 1, 3,6 and 12 months with OCT and at one week, 1 and 3 months with UBM. The following parameters were analized: distance between the endothelium and anterior face of the phakiclens,endothelium-bridge of lens distance, lens vault, bridge-iris distance and the iridocorneal angle.
Six patients (10 eyes) were included, 2 L12500 lenses (-10.5D and 12.5D) were implanted, 3 L13000 lenses (-12.50 D,-14.0D and -14.5D), 4 L13500 lenses (-9.0 D, -9.5D,-14.5D, -16.0D), and 1 L14000 lens (9.0D).From week 1 to the last follow-up at 1 year, we observeda change in the distance between the endothelium to the anterior face of thephakiclens from 1.89 to 2.22 mm, a change in the distance for the Vault from 1.02 to 0.91mm, an increase in the distance from the corneal endothelium to the superior and inferior bridgesfrom 0.89 to 1.01 mm and 0.99 to 1.09mm respectively.There was a decrease in the distance from the superior and inferior bridges to the iris,of 0.43 to 0.28mm and of 0.44 to 0.27mm, respectively.
Phakicintraocular lenses of angular support,must have a perfect fit with the diameter of the anterior chamber. The OCT and UBM, are diagnostic methods of great valuefor the evaluation of phakic lens position. Due to the high resolution of UBM, it is possible to determine with greater accuracy the location and relationship between the phakic lens and the anterior segment`s structures.These data could be useful for the prediction of long-term complications such as endothelial cell loss, cataract formation and increase in intraocular pressure.
Clinical Trial: :
Fundacion Hospital Nuestra Senora de la Luz, 0
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