Assessment of Sub Foveal Choroidal Thickness during Pregnancy by Optical Coherence Tomography

Document Type : Original Articles

Authors

1 Ophthalmology department, Faculty of Medicine, University of Tanta, Tanta,egypt

2 Ophthalmology Department, Faculty of Medicine, University of Tanta, Tanta university hospital, Tanta, Egypt.

Abstract

AIM: Enhanced depth imaging optical coherence tomography (EDI-OCT) has substantially enhanced choroidal image resolution by reducing the signal behind the RPE. This study aimed to compare sub foveal choroidal thickness (SFCT) between healthy pregnant and non-pregnant women using EDI-OCT.
METHODS: 40 eyes of 20 pregnant women aged 20 to 40 underwent both EFS and optical coherence tomography. Patients were divided into two groups: Group 1 consisted of healthy women with no ocular or systemic diseases, while Group 2 comprised pregnant women in their second trimester.
RESULTS: Pregnant women had a considerably lower mean intraocular pressure (IOP) than the normal control group (P < 0.05). The thickness of the central foveal stayed constant in both groups. SFCT was significantly higher in pregnant women compared to the control group (P < 0.05). The relationship between Sub foveal Choroidal Thickness, EFC, and BCVA correlated positively but not statistically.
CONCLUSIONS: In the second trimester of pregnancy, SFCT thickness was significantly greater than in non-pregnant controls, while there were no significant correlations between BCVA, CFT, or Sub-Foveal Choroidal Thickness.

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