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Phakic intraocular lens (PIOL) implantation vs INTACS corneal rings to manage anisometropic myopic amblyopia in children

Poster Details

First Author: M.Kamel EGYPT

Co Author(s):    M. Omar   M. Ramdan   A. Swelam              

Abstract Details


The therapy of amblyopia is essential to be successful for safe vision and restoring binocular fusion and stereopsis. Purpose of our study to compare the safety and efficacy of phakic posterior chamber intraocular lens (PIOL) implantation versus INTACS intrastromal Corneal Ring Segments for correcting high myopic anisometropia in amblyopic children


Faculty of medicine Ain Shams University Cairo Egypt


Prospective study sinclude30 children 4�â�€�“12 years old, suffering from unilateral high myopic anisometropic amblyopia had refractive spherical power from-7to-17 diopters and astigmatism -1to -6 diopters. Patients were subdivided into group A subjected to unilateral phakic posterior chamber intraocular lens (ICL) implantation range from -6 to -17 Group B treated by INTACS corneal rings range from -4 to -7 Pre- and post-operative visual acuity, ocular examination, stereoacuity, axial biometry measurements, cycloplegic refraction and endothelial cell counts were performed in all patients for follow up was for at least 9 months.


ICL group revealed prevention of amblyopia with improvement in visual acuity was�â�‰�¤6 lines was achieved in 81%of children and just �â�‰�¤3 lines restricted to 19%of children Improvement in stereoacuity was noted in 93.33%of cases but INTACS group showed less results with successful improved vision�â�‰�¤6 lines in 73% of children and just �â�‰�¤2 lines restricted to 27% of children. Improvement in stereoacuity was noted in 86.66%of cases.Two cases of cataract and one case of glaucoma with one case of uveitis noticed in ICL group.


Discussion: Posterior chamber phakic IOLs or INTACS may provide a safe alternative in treatment of anisometropic myopic patients To eliminate significant anisometropic myopia in children phakic posterior chamber ICL implantation or INTACS be considered as an alternative modality of treatment. INTACS had limited scale and is more safe and less invasive and complications than ICL which had wide Further studies in this field are recommended.

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