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Choroidal Thickness Profile in Normal Iranian Eyes with Different Refractive Status by Spectral-Domain Optical Coherence Tomography.
J Curr Ophthalmol. 2020 Jan-Mar; 32(1):58-68.JC

Abstract

Purpose

To investigate the choroidal thickness and its association with age, gender, spherical equivalent (SE), and axial length (AL) in a sample of Iranian population with different refractive status using spectral-domain optical coherence tomography (SD-OCT).

Methods

In a cross-sectional study, a total of 469 right eyes of 469 healthy subjects comprising 194 (41.4%) males and 275 (58.6%) females were examined. The mean age was 32.76 ± 15.77 years (range, 4-60 years). All subjects were divided into different groups according to their refractive status, age, and AL. The choroidal thickness was evaluated through enhanced-depth imaging (EDI) modality at subfoveal (Sf), 1, and 3 mm nasal (N1 and N3, respectively), temporal (T1 and T3, respectively), superior (S1 and S3, respectively), and inferior (I1 and I3, respectively) to the foveal center.

Results

In the whole population, the mean subfoveal choroidal thickness (SfChT) was 329.83 ± 70.33 μm, and the choroid was thickest at S1 (342.04 ± 71.28 μm) and thinnest at N3 (209.00 ± 66.0 μm). Our data indicated a significant difference in the mean choroidal thickness across all points in different age groups (P < 0.0001). For emmetropic, myopic, and hyperopic subjects, mean SfChT values were 346.64 ± 59.63, 319.66 ± 73.17, and 364.00 ± 74.54 μm, respectively. Linear regression estimated that SfChT decreased about 12.8 and 8.71 μm for every 10 years of aging and each diopter increasing in myopia, respectively. Additionally, the SfChT decreased as 13.48 μm per mm increase in AL.

Conclusions

The mean SfChT of a sample of Iranian emmetropic subjects was 346.64 ± 59.63 μm. The choroidal thickness has a decreasing trend with increasing age, and the choroid is thinner in myopes and thicker in hyperopes compared with emmetropic subjects. In the whole participants, the thickest and thinnest points were S1 and N3, respectively.

Authors+Show Affiliations

Refractive Errors Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. Department of Optometry, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran.Refractive Errors Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. Department of Optometry, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran.Basir Eye Health Research Center, Tehran, Iran.Department of Optometry, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32510015

Citation

Heirani, Mohsen, et al. "Choroidal Thickness Profile in Normal Iranian Eyes With Different Refractive Status By Spectral-Domain Optical Coherence Tomography." Journal of Current Ophthalmology, vol. 32, no. 1, 2020, pp. 58-68.
Heirani M, Shandiz JH, Shojaei A, et al. Choroidal Thickness Profile in Normal Iranian Eyes with Different Refractive Status by Spectral-Domain Optical Coherence Tomography. J Curr Ophthalmol. 2020;32(1):58-68.
Heirani, M., Shandiz, J. H., Shojaei, A., & Narooie-Noori, F. (2020). Choroidal Thickness Profile in Normal Iranian Eyes with Different Refractive Status by Spectral-Domain Optical Coherence Tomography. Journal of Current Ophthalmology, 32(1), 58-68. https://doi.org/10.1016/j.joco.2019.08.005
Heirani M, et al. Choroidal Thickness Profile in Normal Iranian Eyes With Different Refractive Status By Spectral-Domain Optical Coherence Tomography. J Curr Ophthalmol. 2020 Jan-Mar;32(1):58-68. PubMed PMID: 32510015.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Choroidal Thickness Profile in Normal Iranian Eyes with Different Refractive Status by Spectral-Domain Optical Coherence Tomography. AU - Heirani,Mohsen, AU - Shandiz,Javad Heravian, AU - Shojaei,Ahmad, AU - Narooie-Noori,Foroozan, Y1 - 2020/03/23/ PY - 2019/06/30/received PY - 2019/08/10/revised PY - 2019/08/20/accepted PY - 2020/6/9/entrez PY - 2020/6/9/pubmed PY - 2020/6/9/medline KW - Choroidal thickness KW - Enhanced-depth imaging KW - Iran KW - Optical coherence tomography SP - 58 EP - 68 JF - Journal of current ophthalmology JO - J Curr Ophthalmol VL - 32 IS - 1 N2 - Purpose: To investigate the choroidal thickness and its association with age, gender, spherical equivalent (SE), and axial length (AL) in a sample of Iranian population with different refractive status using spectral-domain optical coherence tomography (SD-OCT). Methods: In a cross-sectional study, a total of 469 right eyes of 469 healthy subjects comprising 194 (41.4%) males and 275 (58.6%) females were examined. The mean age was 32.76 ± 15.77 years (range, 4-60 years). All subjects were divided into different groups according to their refractive status, age, and AL. The choroidal thickness was evaluated through enhanced-depth imaging (EDI) modality at subfoveal (Sf), 1, and 3 mm nasal (N1 and N3, respectively), temporal (T1 and T3, respectively), superior (S1 and S3, respectively), and inferior (I1 and I3, respectively) to the foveal center. Results: In the whole population, the mean subfoveal choroidal thickness (SfChT) was 329.83 ± 70.33 μm, and the choroid was thickest at S1 (342.04 ± 71.28 μm) and thinnest at N3 (209.00 ± 66.0 μm). Our data indicated a significant difference in the mean choroidal thickness across all points in different age groups (P < 0.0001). For emmetropic, myopic, and hyperopic subjects, mean SfChT values were 346.64 ± 59.63, 319.66 ± 73.17, and 364.00 ± 74.54 μm, respectively. Linear regression estimated that SfChT decreased about 12.8 and 8.71 μm for every 10 years of aging and each diopter increasing in myopia, respectively. Additionally, the SfChT decreased as 13.48 μm per mm increase in AL. Conclusions: The mean SfChT of a sample of Iranian emmetropic subjects was 346.64 ± 59.63 μm. The choroidal thickness has a decreasing trend with increasing age, and the choroid is thinner in myopes and thicker in hyperopes compared with emmetropic subjects. In the whole participants, the thickest and thinnest points were S1 and N3, respectively. SN - 2452-2325 UR - https://www.unboundmedicine.com/medline/citation/32510015/Choroidal_Thickness_Profile_in_Normal_Iranian_Eyes_with_Different_Refractive_Status_by_Spectral_Domain_Optical_Coherence_Tomography_ L2 - https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32510015/ DB - PRIME DP - Unbound Medicine ER -
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