The Variation of Choroidal Thickness and Refractive Error after Cataract Surgery

Roh, Hyun Cheol; Park, Keun; Oh, Jung Hyun

doi:10.3341/jkos.2016.57.6.924

Cited by 2 publications

(2 citation statements)

References 27 publications

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“…Phacoemulsification cataract surgery is currently the most widely performed intraocular procedure [ 1 , 2 ]. Posterior segment complications, such as pseudophakic cystoid macular edema and worsening of diabetic retinopathy, may occur even after uneventful cataract surgery, thus compromising postoperative functional outcome.…”

Section: Introductionmentioning

confidence: 99%

“…With the advent of the enhanced-depth imaging (EDI) technique for spectral-domain optical coherence tomography (SD-OCT), which enables detailed examination of choroidal stromal and vascular structures in vivo, increasing interest has focused on the effects of cataract surgery on choroidal thickness and vascularity [ 2 , 14 , 15 ]. Many studies have demonstrated an increase in CT after phacoemulsification [ 1 , 16 – 18 ].…”

Section: Introductionmentioning

confidence: 99%

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The Effects of Uneventful Phacoemulsification on Subfoveal Choroidal Thickness

Tranos,

Dimacali,

Vasileiou

et al. 2023

Ophthalmol Ther

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Introduction To evaluate the impacts of phacoemulsification preoperative and intraoperative factors on postoperative subfoveal choroidal thickness (SFCT). Methods This prospective interventional study was conducted on patients undergoing uneventful phacoemulsification with posterior chamber intraocular lens (IOL) implantation at the private clinic Ophthalmica Eye Institute, in Thessaloniki, Greece. Forty-six eyes of 46 patients were included in the study. Operative time (OT), phacoemulsification time (PT), effective phacoemulsification time (EPT) and phacoemulsification power (PP) were recorded for each patient. All patients received dexamethasone and nepafenac drops for 4 weeks postoperatively. Choroidal thickness (CT) at five anatomical locations was measured preoperatively and at 1 week, 1 month and 3 months postoperatively. Results Subfoveal choroidal thickness significantly increased over baseline thickness at 1 week postoperatively, returned to preoperative levels at 1 month and increased again at 3 months. Changes at 1 week and 3 months postoperatively correlated to baseline choroidal thickness ( p = 0.023 and p = 0.011, respectively). Spherical equivalent (SE) inversely correlated to SFCT throughout the entire follow-up period (baseline p = 0.044, 1-week p = 0.011, 1-month p = 0.013, 3-month p = 0.018). EPT was the most significant determinant of increased SFCT at all time points (1-week p = 0.011, 1-month p = 0.01, 3-month p = 0.015). PT and PP significantly correlated to the SFCT increase at 3 months postoperatively ( p = 0.033 and p = 0.043, respectively). OT was not associated with a change in SFCT at any time point ( p > 0.05). Conclusion Phacoemulsification can alter choroidal thickness until at least 3 months after surgery. Preoperative and intraoperative factors, notably SE, baseline SFCT, PT, PP and especially EPT, can influence postoperative CT increase.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Effects of Uneventful Phacoemulsification on Subfoveal Choroidal Thickness

Tranos,

Dimacali,

Vasileiou

et al. 2023

Ophthalmol Ther

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Changes in the Foveal Avascular Zone after Uncomplicated Cataract Surgery Based on Optical Coherence Tomography Angiography

Yang¹,

Kim²

2020

J Korean Ophthalmol Soc

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Purpose: To report changes in the foveal avascular zone (FAZ) after uncomplicated cataract surgery using optical coherence tomography (OCT) angiography. Methods: The present study evaluated 39 eyes that underwent cataract surgery between April 2019 and June 2019. Central macular thickness (CMT) and subfoveal choroidal thickness (SFCT) were measured by OCT. The area of the FAZ in the superficial vascular complex (SVC) and deep vascular complex (DVC) were measured using OCT angiography. Results: In all eyes, except for five with cystoid macular edema, there was a statistically significant change in the CMT over time (p < 0.0001), and the CMT at 1 month postoperatively was significantly thicker than the preoperative CMT (p = 0.005). The SFCT was significantly thicker at 1 week and 1 month postoperatively relative to the preoperative values (p < 0.0001 and p = 0.004, respectively). The FAZ area in the SVC and DVC decreased significantly at 1 week and 1 month postoperatively compared with the preoperative values (p < 0.0001 and p = 0.007, respectively). In the five eyes that developed cystoid macular edema, the area of the FAZ in the DVC showed a significant increase at 1 month postoperatively compared with the preoperative value (p = 0.028). Conclusions: The FAZ area in the SVC and DVC decreased postoperatively, suggesting that cataract surgery may affect perfusion in the macula.

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The Variation of Choroidal Thickness and Refractive Error after Cataract Surgery

Cited by 2 publications

References 27 publications

The Effects of Uneventful Phacoemulsification on Subfoveal Choroidal Thickness

The Effects of Uneventful Phacoemulsification on Subfoveal Choroidal Thickness

Changes in the Foveal Avascular Zone after Uncomplicated Cataract Surgery Based on Optical Coherence Tomography Angiography

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