Journal of cataract and refractive surgery · 2004
Diagnosis and management of congenital cataract with preexisting posterior capsule defect.
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Vasavada Abhay R, Praveen M R, Nath Vandana, Dave Kavita
Аннотация
PURPOSE: To establish and evaluate the diagnostic signs, intraoperative performance, and postoperative outcomes in children with congenital cataract with a preexisting posterior capsule defect (PCD).
SETTING: Iladevi Cataract & IOL Research Centre, Ahmedabad, India.
METHODS: This study evaluated 400 consecutive eyes that had congenital cataract surgery, of which 27 (20 children) had a confirmed preexisting PCD. Seven children had bilateral defects. The preoperative diagnostic signs of PCD under maximum pupil dilation included well-demarcated, thick defect margins; white dots on the posterior capsule; and white dots in the anterior vitreous that moved with the degenerated vitreous like a fish tail (fish-tail sign). Hydrodissection was not attempted. Bimanual irrigation/aspiration and 2-port anterior vitrectomy were performed. The mean follow-up was 17.9 months +/- 16.96 (SD).
RESULTS: The mean age of the 16 boys and 4 girls with a PCD was 21.98 +/- 33.33 months. Nineteen eyes (70.3%) had total white mature cataract. In 7 eyes (25.92%), the preexisting PCD was converted into a posterior capsulorhexis. Twenty eyes (74.07%) had an AcrySof MA30BA intraocular lens (IOL) implanted in the bag and 4 eyes (14.81%), in the sulcus. Three eyes (11.11%) were left aphakic. The visual axis remained clear in all eyes, and the IOL was well centered in 24 eyes (88.88%).
CONCLUSION: Establishing the diagnostic signs of PCD with the eye fully dilated and carefully planning the surgery produced satisfactory technical and visual outcomes.
SETTING: Iladevi Cataract & IOL Research Centre, Ahmedabad, India.
METHODS: This study evaluated 400 consecutive eyes that had congenital cataract surgery, of which 27 (20 children) had a confirmed preexisting PCD. Seven children had bilateral defects. The preoperative diagnostic signs of PCD under maximum pupil dilation included well-demarcated, thick defect margins; white dots on the posterior capsule; and white dots in the anterior vitreous that moved with the degenerated vitreous like a fish tail (fish-tail sign). Hydrodissection was not attempted. Bimanual irrigation/aspiration and 2-port anterior vitrectomy were performed. The mean follow-up was 17.9 months +/- 16.96 (SD).
RESULTS: The mean age of the 16 boys and 4 girls with a PCD was 21.98 +/- 33.33 months. Nineteen eyes (70.3%) had total white mature cataract. In 7 eyes (25.92%), the preexisting PCD was converted into a posterior capsulorhexis. Twenty eyes (74.07%) had an AcrySof MA30BA intraocular lens (IOL) implanted in the bag and 4 eyes (14.81%), in the sulcus. Three eyes (11.11%) were left aphakic. The visual axis remained clear in all eyes, and the IOL was well centered in 24 eyes (88.88%).
CONCLUSION: Establishing the diagnostic signs of PCD with the eye fully dilated and carefully planning the surgery produced satisfactory technical and visual outcomes.