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Rev. bras. oftalmol ; 71(3): 149-154, maio-jun. 2012. ilus
Article in English | LILACS | ID: lil-643911

ABSTRACT

Five cases of intraocular lens (IOL) opacification in patients implanted with the Mediphacos Ioflex® IOL are described. Clinical data in each case was obtained from the patient's medical record. The five explanted IOLs underwent gross and light microscopic analysis. Selected lenses were processed for further evaluation and multiple sagittal cuts were stained with the alizarin red and von Kossa methods. Light microscope analysis confirmed the presence of deposits on and within the lens, which stained positive for calcium. The reason why calcification has occurred in these cases remains unclear, but surgeons should be aware of this potential late postoperative complication.


Cinco casos de opacificação de lente intraocular (LIO) em pacientes implantados com a LIO Ioflex® da Mediphacos são descritos. Os dados clínicos dos pacientes foram obtidos a partir dos prontuários médicos. As cinco LIOs explantadas foram enviadas para análise macroscópica e sob microscopia óptica. Algumas lentes foram processadas para análise adicional e múltiplos cortes sagitais foram corados pelos métodos de vermelho de alizarina e von Kossa. A análise sob microscopia óptica confirmou a presença de depósitos na superfície e no corpo da lente, que coraram positivamente para cálcio. A razão pela qual a calcificação ocorreu nestes casos permanece obscura. Entretanto, cirurgiões devem estar atentos para esta potencial complicação tardia.


Subject(s)
Humans , Male , Female , Middle Aged , Aged , Aged, 80 and over , Acrylic Resins/adverse effects , Prosthesis Failure , Calcinosis/diagnosis , Calcinosis/etiology , Lenses, Intraocular/adverse effects , Microscopy , Postoperative Complications , Reoperation , Visual Acuity , Medical Records , Calcium/analysis , Phacoemulsification , Lens Implantation, Intraocular , Device Removal
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