Choroidal Differences between Spectral and Swept-source Domain Technologies
PURPOSE OF THE STUDY: To assess differences in healthy eyes in volume (CV) and choroidal thicknesses (CT) across all macular Early Treatment Diabetic Retinopathy Study (ETDRS) areas measured by swept source (SS)-OCT and spectral domain (SD)-OCT with enhanced depth imaging (EDI).
MATERIALS AND METHODS: One hundred and fifty healthy eyes were studied in patients aged between 21-68 years. All of these patients underwent an ophthalmic examination that included axial length (AL), a fast macula protocol with EDI by Spectralis SD-OCT, and a 3D macular cube by DRI-Triton SS-OCT. CT and CV values were measured after a manual segmentation with SD-OCT and automatically with SS-OCT.
RESULTS: The values obtained by SD-OCT were statistically higher than the values obtained by SS-OCT in all ETDRS areas. To determine the differences that were related to total CV or AL, the eyes were divided depending on their total CV and AL values into two groups. There were persistent differences between the two devices that were not related to the total CV. In subjects with a higher AL, these differences were not present in either the total CV or the subfoveal CT. In longer eyes, the differences diminished, and there were no statistical differences between the devices in the subfoveal area, temporal quadrants, inferior inner ring, or CV.
CONCLUSIONS: The choroidal values obtained with the SD-OCT are statistically higher than those measured by SS-OCT. Both techniques are able to clearly visualize the choroidoscleral interface and provide different values that are highly correlated. These differences are smaller in eyes with a longer AL and are not related to the total CV.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:46 |
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| Enthalten in: |
Current eye research - 46(2021), 2 vom: 23. Feb., Seite 239-247 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pinilla, Isabel [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 03.12.2021 Date Revised 14.12.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/02713683.2020.1795883 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM312396244 |
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| 500 | |a Date Completed 03.12.2021 | ||
| 500 | |a Date Revised 14.12.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a PURPOSE OF THE STUDY: To assess differences in healthy eyes in volume (CV) and choroidal thicknesses (CT) across all macular Early Treatment Diabetic Retinopathy Study (ETDRS) areas measured by swept source (SS)-OCT and spectral domain (SD)-OCT with enhanced depth imaging (EDI) | ||
| 520 | |a MATERIALS AND METHODS: One hundred and fifty healthy eyes were studied in patients aged between 21-68 years. All of these patients underwent an ophthalmic examination that included axial length (AL), a fast macula protocol with EDI by Spectralis SD-OCT, and a 3D macular cube by DRI-Triton SS-OCT. CT and CV values were measured after a manual segmentation with SD-OCT and automatically with SS-OCT | ||
| 520 | |a RESULTS: The values obtained by SD-OCT were statistically higher than the values obtained by SS-OCT in all ETDRS areas. To determine the differences that were related to total CV or AL, the eyes were divided depending on their total CV and AL values into two groups. There were persistent differences between the two devices that were not related to the total CV. In subjects with a higher AL, these differences were not present in either the total CV or the subfoveal CT. In longer eyes, the differences diminished, and there were no statistical differences between the devices in the subfoveal area, temporal quadrants, inferior inner ring, or CV | ||
| 520 | |a CONCLUSIONS: The choroidal values obtained with the SD-OCT are statistically higher than those measured by SS-OCT. Both techniques are able to clearly visualize the choroidoscleral interface and provide different values that are highly correlated. These differences are smaller in eyes with a longer AL and are not related to the total CV | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Spectral domain optical coherence tomography | |
| 650 | 4 | |a choroidal thickness | |
| 650 | 4 | |a choroidal volume | |
| 650 | 4 | |a enhanced depth imaging | |
| 650 | 4 | |a healthy subjects | |
| 650 | 4 | |a swept source optical coherence tomography | |
| 700 | 1 | |a Sanchez-Cano, Ana |e verfasserin |4 aut | |
| 700 | 1 | |a Insa, Gema |e verfasserin |4 aut | |
| 700 | 1 | |a Bartolomé, Isabel |e verfasserin |4 aut | |
| 700 | 1 | |a Perdices, Lorena |e verfasserin |4 aut | |
| 700 | 1 | |a Orduna-Hospital, Elvira |e verfasserin |4 aut | |
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