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NR. 3(II)/2004
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Zastosowanie
biomikroskopii ultradĽwiękowej w analizie wszczepów
tylnokomorowych z fiksacj± ¶ródtwardówkow± u dzieci
The use of ultrasound biomocroscopy in the analysis of posterior
chamber implants with transscleral fixation in children
Krystyna Kanigowska, Mirosława
Grałek, Barbara Chipczyńska, Wojciech Hautz
Klinika Okulistyki Instytut „Pomnik-Centrum Zdrowia Dziecka’’ w
Warszawie
Kierownik: prof. dr. hab. med. Mirosława Grałek |
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| Summary: |
Purpose: To
determine haptic and optic position of ab externo
transsclerally fixated posterior chamber intraocular
lens by ultrasound biomicroscopy (UBM) in children.
Material and methods: The examination was
performed in 11 (15 eyes) randomlmy chosen children from
a group of 64 children (116 eyes) after pars plana
lensectomy and vitrectomy with PCIOL implantation.
Patients age ranged from 9 to 16 years. UBM was used to
determine the haptic position in relation to the ciliary
sulcus, and ciliary body and the optic position in
relation to the iris.
Results: All IOLs haptics were visualized and
imaged by ultrasound biomicroscopy. Of the 30 haptics,
17 (7%) were located in the sulcus, 13 (43%) other than
sulcus. The optic of the IOL was found to be tilt in 8
(53%) eyes and not tilt in 7 (47%). There was no
correlation between the presence of optic tilt, haptic
location and astigmatic error.
Conclusion: Ab externo scleral fixation of PCIOL
is a blind procedure in most cases. This technique has
many limitations: the difficulty of suturing precisely
at the ciliary sulcus, optic tilt in part of the whole
eyes and present of vitreous incarceration. The suturing
technique and instruments need to be improved to
diminish such complication. |
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| Key words: |
posterior chamber
intraocular lens implantation, transscleral fixation,
position of lens implant, ultrasound biomicroscopic,
children. |
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