Posterior Vitreous Structures Evaluated by Swept-source Optical Coherence Tomography with En Face Imaging
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Purpose: To evaluate posterior vitreous structures using swept-source (SS) optical coherence tomography (OCT) with en face imaging. Methods: We retrospectively reviewed OCT images of healthy individuals who did not have intra-ocular disease. We obtained high-definition horizontal and vertical line scans crossing the fovea and 3D scans using SS-OCT, with the 3D scan centered between the fovea and the optic-nerve head. An enhanced vitreous visualization function was used to highlight vitreous structures. En face mode was used to measure the area of Martegiani (AM) and bursa premacularis (BP). We performed all measurements using a built-in function of the viewing software. Results: We enrolled 24 eyes from 12 healthy individuals. The mean patient age was 28.7 ± 4.6 years (range, 24 to 39 years). The mean AM and BP areas were 5.73 ± 0.88 and 18.76 ± 6.95 mm2, respectively. In en face imaging, AM shape was most frequently a vertical oval (18 / 22, 81.8%), while the predominant BP shape was round (16 / 20, 80.0%). AM was in contact with the optic disc, either at the temporal-disc margin (13 eyes, 59.1%) or the nasal optic-disc margin (9 eyes, 40.9%). Conclusions: Posterior vitreous structures, such as AM and BP, were readily visualized using en face imaging with SS-OCT. Investigating normal vitreous configuration might help in understanding changes in vitreous structures associated with retinal pathology.
Abstract
Purpose: To evaluate posterior vitreous structures using swept-source (SS) optical coherence tomography (OCT) with en face imaging. Methods: We retrospectively reviewed OCT images of healthy individuals who did not have intra-ocular disease. We obtained high-definition horizontal and vertical line scans crossing the fovea and 3D scans using SS-OCT, with the 3D scan centered between the fovea and the optic-nerve head. An enhanced vitreous visualization function was used to highlight vitreous structures. En face mode was used to measure the area of Martegiani (AM) and bursa premacularis (BP). We performed all measurements using a built-in function of the viewing software. Results: We enrolled 24 eyes from 12 healthy individuals. The mean patient age was 28.7 ± 4.6 years (range, 24 to 39 years). The mean AM and BP areas were 5.73 ± 0.88 and 18.76 ± 6.95 mm2, respectively. In en face imaging, AM shape was most frequently a vertical oval (18 / 22, 81.8%), while the predominant BP shape was round (16 / 20, 80.0%). AM was in contact with the optic disc, either at the temporal-disc margin (13 eyes, 59.1%) or the nasal optic-disc margin (9 eyes, 40.9%). Conclusions: Posterior vitreous structures, such as AM and BP, were readily visualized using en face imaging with SS-OCT. Investigating normal vitreous configuration might help in understanding changes in vitreous structures associated with retinal pathology.
참고문헌 (16)
- Sebag J, "Ageing of the vitreous", Eye (Lond), 1, pp.254~262 (1987)[DOI]
- Sebag J, "Anatomy and pathology of the vitreo-retinal interface", Eye (Lond), 6, pp.541~552 (1992)[DOI]
- Duker JS, "The International Vitreomacular Traction Study Group classification of vitreomacular adhesion, traction, and macular hole", Ophthalmology, 120, pp.2611~2619 (2013)[DOI]
- Sebag J, "Anomalous posterior vitreous detachment: a unifying concept in vitreo-retinal disease", Graefes Arch Clin Exp Ophthalmol, 242, pp.690~698 (2004)[DOI]
- Itakura H, "Observation of posterior precortical vitreous pocket using swept-source optical coherence tomography", Invest Ophthalmol Vis Sci, 54, pp.3102~3107 (2013)[DOI]
- Kim YC, "Enhanced high-density line spectral-domain optical coherence tomography imaging of the vitreoretinal interface: description of selected cases", Semin Ophthalmol, 31, pp.559~566 (2016)
- Liu JJ, "Enhanced vitreous imaging in healthy eyes using swept source optical coherence tomography", PLoS One, 9, pp.e102950~ (2014)[DOI]
- Park KA, "Posterior precortical vitreous pocket in children", Curr Eye Res, 40, pp.1034~1039 (2015)[DOI]
- Schaal KB, "The premacular bursa's shape revealed in vivo by sweptsource optical coherence tomography", Ophthalmology, 121, pp.1020~1028 (2014)[DOI]
- Worst JG, "Cisternal systems of the fully developed vitreous body in the young adult", Trans Ophthalmol Soc U K, 97, pp.550~554 (1977)
- Kishi S, "Posterior precortical vitreous pocket", Arch Ophthalmol, 108, pp.979~982 (1990)[DOI]
- Spaide RF, "Enhanced depth imaging spectral-domain optical coherence tomography", Am J Ophthalmol, 146, pp.496~500 (2008)[DOI]
- Itakura H, "Aging changes of vitreomacular interface", Retina, 31, pp.1400~1404 (2011)[DOI]
- Itakura H, "En face imaging of posterior precortical vitreous pockets using swept-source optical coherence tomography", Invest Ophthalmol Vis Sci, 56, pp.2898~2900 (2015)[DOI]
- 박승훈, "정상안에서 파장가변 빛간섭 단층촬영을 이용한 유리체 피질과 후유리체박리의 관찰", 대한안과학회지, 57(4), pp.595~600 (2016), 대한안과학회
- Itakura H, "Alterations of posterior precortical vitreous pockets with positional changes", Retina, 33, pp.1417~1420 (2013)[DOI]