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Clinical applications of ultrasound biomicroscopy in diagnosis and treatment of aphakia and intraocular lens dislocation

Poster Details

First Author: Y.Yildirim TURKEY

Co Author(s):    T. Kar   E. Duzgun   C. Buyukavsar   A. Ayata     

Abstract Details


To evaluate the capabilities of ultrasound biomicroscopy (UBM) as a diagnostic method for surgical planning of secondary intraocular lens (IOL) implantation in aphakia and intraocular lens dislocation.


Gulhane Military Medical Academy Haydarpasa Training Hospital, Istanbul, Turkey.


In this retrospective study, 19 eyes of 19 patients with aphakia and IOL dislocation due to different causes were included. Seven patients with aphakia following cataract extraction and 12 patients with posterior chamber IOL (PCIOL) dislocation were studied. UBM was performed preoperatively to determine the capsule integrity, degree of ciliary sulcus support and iridocapsular adhesions.


UBM revealed that 4 of 7 eyes with aphakia had adequate capsule integrity (two eyes also had iridocapsular adhesions) and ciliary sulcus support, and 3 eyes had inadequate capsular remnant. Sulcus-supported PCIOLs were implanted in 4 eyes, and scleral-fixated PCIOLs were implanted in 3 eyes. UBM showed that 4 of 12 eyes with IOL dislocation had adequate capsule remnant, and there was no adequate capsular remnant and ciliary sulcus support in 8 eyes. IOL reposition was performed in 4 eyes, and IOL exchange and scleral-fixated PCIOLs implantation or scleral fixation of dislocated IOLs were performed in 8 eyes.


UBM helps to select the appropriate surgical protocol by determining the capsule integrity, implant bed and iridocapsular adhesions preoperatively. It is also useful to choose the IOL model and its fixation type.

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