May 2006
Volume 47, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2006
Astigmatism Outcomes of Scleral Tunnel and Clear Corneal Incisions for Congenital Cataract Surgery
Author Affiliations & Notes
  • S.M. Bar–Sela
    Ophthal–Goldschleger Eye Inst, Tel–Aviv University, Tel– Hashomer, Israel
  • A. Spierer
    Ophthal–Goldschleger Eye Inst, Tel–Aviv University, Tel– Hashomer, Israel
  • Footnotes
    Commercial Relationships  S.M. Bar–Sela, None; A. Spierer, None.
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science May 2006, Vol.47, 624. doi:
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      S.M. Bar–Sela, A. Spierer; Astigmatism Outcomes of Scleral Tunnel and Clear Corneal Incisions for Congenital Cataract Surgery . Invest. Ophthalmol. Vis. Sci. 2006;47(13):624.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To evaluate astigmatism outcomes after congenital cataract surgery with intraocular lens implantation using clear corneal or scleral tunnel incisions.

Methods: : We retrospectively reviewed the medical records of 46 children (67 eyes), aged 2 months to 12 years, who had undergone nontraumatic cataract extraction and intraocular lens implantation between 1996 and 2001, using a scleral tunnel incision (group 1), or a clear corneal incision (group 2). Refractive astigmatism was measured at 1 week, 3 months and 5 months after surgery. Paired t test was used to compare those variables, and Spearman’s correlation was used to determine their relation to patient’s age.

Results: : Mean ± S.D astigmatism at 1 week postoperatively was 3.1 ± 2.8 Diopter (D) and 2.1 ± 1.7 D in groups 1, 2, respectively. It significantly reduced to 1.1 ± 1.2 D and 0.9 ± 1.0 D, respectively, in the two groups at 5 months postoperatively (P < 0.007). In both groups patients’ age was significantly correlated with 1–week postoperative astigmatism (group 1: r = 0.64; P = 0.001; group 2: r = –0.58; P = 0.003), and with the change in cylinder magnitude between 1 week and 3 months postoperatively (group 1: r = –0.67; P =0.001; group 2: r = 0.50; P =0.013).

Conclusions: : Children who underwent congenital cataract surgery using clear corneal or scleral tunnel incisions showed high postoperative astigmatism at 1 week postoperatively, which spontaneously reduced during 5 months follow–up. Therefore, suture removal is not necessary in those cases. However, close monitoring and prompt correction of postoperative refraction error is needed especially in young patients after cataract operation, using clear corneal incision, and in older ones after operations, using scleral tunnel incisions.

Keywords: astigmatism • cataract 
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