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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.10
- 수록면
- 337 - 348 (12page)
- DOI
- 10.3341/kjo.2021.0076
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초록· 키워드
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Purpose: To evaluate the compatibility of corneal curvature and astigmatism, and higher-order aberrations (HOAs) measuredby the Scheimpflug camera Pentacam HR and the swept-source optical coherence tomography ANTERION.
Methods: This prospective study included normal subjects with no ophthalmic history. Steep keratometry (K), flat K, astigmatismand its axis of the anterior and posterior surfaces, total corneal power, and HOAs using the two instruments werecompared. To compare the mean values of the measurements, a paired t-test was used. Bland-Altman analysis was applied toassess the agreement between the two devices.
Results: Fifty-three eyes of 53 subjects were evaluated. There were statistically significant differences for steep K, astigmatism,and vector J0, J45 in the anterior surface and total corneal power between the two devices (p < 0.05). There werealso significant differences in the most of the keratometric values of the posterior corneal surface (p < 0.05) except J0 (p =0.410). Both devices showed strong positive correlations in steep K, flat K, astigmatism (r > 0.81, p < 0.001) with wide rangesof a 95% limit of agreement. Vectoral components were significantly correlated (r > 0.78, p < 0.001) with narrow 95% limit ofagreement, except J45 of the posterior surface (r = 0.39, p = 0.004). In the corneal HOAs, there were statistically significantdifferences in the vertical coma, horizontal trefoil, spherical aberration, and root mean square of each fifth- and sixth-orderZernike coefficient (p = 0.043, p = 0.041, p < 0.001, p < 0.001, and p < 0.001, respectively). Other HOAs showed moderateto strong positive correlations (r > 0.37, p < 0.05). Most HOAs, except for the horizontal trefoil, showed clinically acceptableagreements. The total root mean square of HOAs was not significantly different between the two devices (p = 0.122).
Conclusions: Most of the keratometric values cannot be used interchangeably. However, the vectoral component of astigmatismshowed clinically good agreement. Several HOAs have statistically significant differences; however, almost all HOAsshowed acceptable agreements, except for the horizontal trefoil.
목차
등록된 정보가 없습니다.
참고문헌 (39)
참고문헌 신청
Konstantopoulos A / 2007 / Recent advances in ophthalmic anterior segment imaging: a new era for ophthalmic diagnosis? / Br J Ophthalmol 91:551~557
Chen W / 2012 / Scheimpflug-Placido topographer and optical low-coherence reflectometry biometer: repeatability and agreement / J Cataract Refract Surg 38:1626~1632
Ventura BV / 2015 / Comparison of corneal power, astigmatism, and wavefront aberration measurements obtained by a point-source color light-emitting diode-based topographer, a Placido-disk topographer, and a combined Placido and dual Scheimpflug device / J Cataract Refract Surg 41:1658~1671
Fabian E / 2019 / Prediction accuracy of total keratometry compared to standard keratometry using different intraocular lens power formulas / J Refract Surg 35:362~368
Lawless M / 2020 / Total keratometry in intraocular lens power calculations in eyes with previous laser refractive surgery / Clin Exp Ophthalmol 48:749~756
Chen W / 2012 / Scheimpflug-Placido topographer and optical low-coherence reflectometry biometer: repeatability and agreement / J Cataract Refract Surg 38:1626~1632
Ventura BV / 2015 / Comparison of corneal power, astigmatism, and wavefront aberration measurements obtained by a point-source color light-emitting diode-based topographer, a Placido-disk topographer, and a combined Placido and dual Scheimpflug device / J Cataract Refract Surg 41:1658~1671
Fabian E / 2019 / Prediction accuracy of total keratometry compared to standard keratometry using different intraocular lens power formulas / J Refract Surg 35:362~368
Lawless M / 2020 / Total keratometry in intraocular lens power calculations in eyes with previous laser refractive surgery / Clin Exp Ophthalmol 48:749~756
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