May 2007
Volume 48, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2007
Change of Anterior Chamber Parameters After Small-Incision Cataract Surgery
Author Affiliations & Notes
  • K. Jin
    Ophthalmology, Kyung Hee University, Seoul, Republic of Korea
  • D. Chang
    Ophthalmology, Kyung Hee University, Seoul, Republic of Korea
  • S. Lee
    Ophthalmology, Kyung Hee University, Seoul, Republic of Korea
  • Footnotes
    Commercial Relationships K. Jin, None; D. Chang, None; S. Lee, None.
  • Footnotes
    Support None.
Investigative Ophthalmology & Visual Science May 2007, Vol.48, 1084. doi:
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      K. Jin, D. Chang, S. Lee; Change of Anterior Chamber Parameters After Small-Incision Cataract Surgery. Invest. Ophthalmol. Vis. Sci. 2007;48(13):1084.

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Abstract

Purpose:: To report change of anterior chamber parameters after small-incision cataract surgery by anterior segment optical coherence tomography (OCT).

Methods:: We measured the anterior chamber parameters of 19 eyes of 14 patients before, 1 week and 1 month after small-incision cataract surgery by anterior segment OCT. The measured parameters were followings : the anterior chamber depth at the center of the cornea (ACD), the angle-opening distance 250 µm from the scleral spur (AOD250), the angle-opening distance 500 µm from the scleral spur (AOD500), and the trabecular-iris angle (TIA). And we used the degree of cataract as preoperative factor and inserted IOL haptic direction as intraoperative factor.

Results:: The ACD, AOD250, AOD500, and TIA increased significantly at postoperative 1 week (P = 0.000, 0.002, 0.003, 0.013) and 1 month (P = 0.000, 0,002, 0,001, 0.000). The preoperative parameters were negatively correlated with the differences between the postoperative 1week and preoperative parameters (γ=-0.774, -0.610, -0.503, -0.787) and postoperative 1 month and preoperative parameters (γ=-0.656, -0.693, -0.799, -0.829). The degree of cataract were not correlated with the change of parameters at postoperative 1 week (γ= -0.280, -0.109, -0.048, -0.183) and 1 month (γ= -0.184, 0.129, 0.007, -0.075) and inserted IOL haptic direction were not correlated with the differences between the postoperative 1week and preoperative parameters (γ= 0.058, 0.282, 0.765, 0.579) and the differences between the postoperative 1 month and preoperative parameters (γ= 0.152, 0.467, 0.179, 0.521).

Conclusions:: Our results showed that small-incision cataract surgery significantly deepened the anterior chamber and widened its angle. The postoperative change of anterior chamber was inversely influenced by the degree of postoperative chamber depth & angle.

Keywords: cataract • anterior chamber • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) 
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