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Retinal Vascular and Choroidal Changes After Phacoemulsification Detected Using Optical Coherence Tomography Angiography
First Author: D. Gouider TUNISIA
Co Author(s): R. Saidani A. Khallouli R. Choura A. Maalej R. Rannen
This study aims to evaluate the changes in the macular retinal vascular and choroidal changes before and after uneventful phacoemulsification using Spectral Domain Optical Coherence Tomography Angiography.
Ophthalmology Department, Military Hospital of Tunis, Tunisia
Thirty eyes of 30 patients with senile cataracts were included. Sections measuring 6�6 mm centered on the fovea with measurement of the foveal avascular zone (FAZ) and the whole parafoveal and perifoveal vessel densities for the superficial capillary plexus (SCP) and deep capillary plexus (DCP) were performed preoperatively, 7 days (D7), 1 month (M1), and 3 months (M3) postoperative using Spectral Domain Optical Coherence Tomography Angiography. Central macular thickness (CMT) and sub-foveal choroidal thickness (SFCT) were also measured at the same time. (OptovueRTVue-XR Avanti)
There was a significant change in the retinal vasculature. The retinal vessel density of the parafoveal and perifoveal regions increased significantly on D7, in M1, and M3 after the cataract surgery (p < 0,05). The foveal avascular zone decreased significantly on D7, in M1, and M3after surgery. The mean choroidal thickness was 200.9 � 60.75 �m. It significantly increased to 230.42 � 59.80 �m on D7, then decreased in M1 and M3. The mean retinal thickness was 260.79 � 6.12 �m. It significantly increased to 295.99 � 8.20 �m at D7 and then decreased at M1 and M3.
Macular vessel density and thickness increased after cataract surgery. Mean CMT and SFCT increased after cataract surgery. The changes in CMT and SFCT return to near the baseline after 3 months. Whether these changes will persist over a longer period still needs to be studied.
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