Intraocular Pressure and Foveal Thickness After Phacoemulsification  

Oleh:

Lee, Yuan-Chieh ; Chung, Fang-Ling ; Chen, Chien-Chung

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: American Journal of Ophthalmology (keterangan: ada di ClinicalKey) vol. 144 no. 02 (Aug. 2007), page 203.

Ketersediaan

Perpustakaan FK Nomor Panggil: A12.K.2007.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Purpose To evaluate the natural course of intraocular pressure (IOP) and foveal thickness during the postoperative period, and the correlation between them. Design Prospective observational case series. Methods This institutional study comprised 30 eyes of 30 cataract patients scheduled for phacoemulsification. IOP and foveal thickness by optical coherence tomography (OCT) were measured preoperatively and three, six, nine, 12, 15, 18, 21, 24 hours, five days, one month, and two months postoperatively. Results The IOP was 4.7 ± 2.4 mm Hg at three hours postoperatively. The IOP increased to 23.4 ± 8.1 mm Hg at six hours and 23.5 ± 7.3 mm Hg at nine hours postoperatively. The IOP was 1.9 mm Hg lower at one month or two months postoperatively than preoperatively. The foveal thickness was 202.1 ± 19.2 µm and significantly higher at three hours postoperatively, and was 182.3 ± 20.5 µm, 183.2 ± 22.3 µm, and significantly lower at nine and 12 hours postoperatively than preoperatively. The correlation between mean IOP and mean foveal thickness is statistically significant. Fovea thickness (microns) = 207.0476 - 1.019759 × IOP (mm Hg), P value < .0001, adjusted R2 = .8699. Conclusions We found initial hypotony, an IOP spike during six to nine hours, and a decrease of IOP at one month and two months postoperatively. An initial increase of the foveal thickness, a significant reduction at nine hours and 12 hours, and an equivocal increase at one month or two months postoperatively were also noted. A significant negative correlation between IOP and foveal thickness was shown.

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