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Choroidal thickness changes during growth- a cross-sectional study in participants aged between 4-23 years

Session Details

Session Title: Imaging II

Session Date/Time: Friday 12/09/2014 | 16:30-18:00

Paper Time: 16:30

Venue: Boulevard C

First Author: : C.Kucukerdonmez TURKEY

Co Author(s): :    M.O. Zengin   S. Yılmaz   E. Cinar        

Abstract Details

Purpose:

To evaluate the choroidal thickness (CT) changes and its relation with axial length and ocular biometric parameters in individuals aged between 4-23 years.

Setting:

Cross-sectional study including 160 participiants (80 female, 80 male, aged between 4-23 years) who underwent routine ophthalmologic examination at Izmir University Medicalpark Hospital, Department of Ophthalmology.

Methods:

Choroidal thickness was assessed using spectral-domain OCT device (3D OCT 2000, Topcon, Japan) OCT device. The measurements were taken at the same time (10-12 am) to avoid diurnal fluctuation. Ocular axial length and anterior segment parameters were measured using optical biometry (Lenstar LS900 ;Haag-Streit AG, Koeniz, Switzerland). Patients were classified into five groups according to their ages as; group 1 (4-7 years), group 2 (8-11 years), group 3 (12-15 years), group 4 (16-19 years), group 5 (20-23 years).

Results:

The average subfoveal CT was 308.1 ± 47.6 µm, ranging from 206 to 410 µm. The mean CT of the Group 1 to 5 were measured as 306.8 ± 42.0 µm, 297.8 ± 48.1 µm, 283.2 ± 38.9 µm, 326.9 ± 57.4 µm and 325.8 ± 35.9 µm, respectively. The mean choroidal thickness of the group 3 was thinnest amongst all groups. The mean choroidal thickness of the group 3 was significantly thinner than the group 4 and 5 (P < 0.05 for two groups), however there was no statistical significance compared with the group 1 (P = 0.227) and group 2 (P = 0.693).

Conclusions:

Choroidal thickness at the early childhood showed a decrease until ages 12-15 years, and afterwards it increased until the end of evaluation period (20-23 years). This biphasic pattern was inversely related with the axial length (AL), but there was no significant relationship with the anterior segment parameters.

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