RT Journal Article
T1 Effects of Implantable Collamer Lens V4c Placement on Iridocorneal Angle Measurements by Fourier-Domain Optical Coherence Tomography
A1 Fernández-Vigo, José Ignacio
A1 Macarro Merino, Ana
A1 Fernández-Vigo Escribano, Cristina
A1 Fernández-Vigo, José Ángel
A1 Martínez De La Casa Fernández-Borrella, José María
A1 Fernández Pérez, Cristina
A1 García Feijoo, Julián
AB PurposeTo assess by Fourier-domain optical coherence tomography (FDOCT) changes produced in iridocorneal angle measurements in patients undergoing Visian Implantable Collamer Lens (ICL) V4c (STAAR Surgical AG) placement.DesignProspective interventional case series.MethodsIn 50 eyes of 25 myopic subjects consecutively scheduled for ICL implant, FDOCT (RTVue; Optovue Inc) iridocorneal angle measurements were made before and 1 and 3 months after surgery. Trabecular-iris angle (TIA) and angle opening distance 500 μm anterior to the scleral spur (AOD500) were compared among the quadrants nasal, temporal, and inferior, and correlations with ocular variables including lens vault were examined.ResultsPreoperative TIA was 48.7 ± 8.7, 48.2 ± 8.7, and 48.7 ± 9.3 degrees for the nasal, temporal, and inferior quadrants, with no differences (P= 1.000). Following ICL implant, corresponding values fell to 31.2 ± 11.5, 30.0 ± 10.7, and 29.7 ± 8.1 degrees at 1 month postsurgery, indicating angle narrowing of 34%-42%, and to 30.6 ± 12.3, 30.1 ± 11.9, and 29.8 ± 12.3 degrees, respectively, at 3 months postsurgery. Angle measurements failed to vary between 1 month and 3 months postsurgery (P= .481). In 8 eyes, iridotrabecular contact attributable to surgery was observed. One month after surgery, vault measurements correlated with TIA (R = -.309;P= .048). Six variables were identified as predictors of TIA at 1 month postsurgery (R2= .907).ConclusionsAlthough considerable angle narrowing was detected 1 month after ICL V4c implant, this narrowing remained stable at 3 months postsurgery. Factors predictive of TIA could serve to identify suitable candidates for ICL placement.
PB Elsevier Masson
SN 0002-9394
YR 2016
FD 2016-02
LK https://hdl.handle.net/20.500.14352/23065
UL https://hdl.handle.net/20.500.14352/23065
LA eng
NO Fernández-Vigo, J. I., Macarro Merino, A., Fernández-Vigo Escribano, C. et al. «Effects of Implantable Collamer Lens V4c Placement on Iridocorneal Angle Measurements by Fourier-Domain Optical Coherence Tomography». American Journal of Ophthalmology, vol. 162, febrero de 2016, pp. 43-52.e1. DOI.org (Crossref), https://doi.org/10.1016/j.ajo.2015.11.010.
DS Docta Complutense
RD 30 sept 2024