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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
- 2017.1
- 수록면
- 44 - 51 (8page)
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Purpose: To assess the validity of central corneal thickness (CCT) and corrected intraocular pressure (IOP) valuesobtained by tono-pachymetry in non-surgical and post-photorefractive keratectomy (PRK) eyes.
Methods: For the study, 108 young healthy participants and 108 patients who had PRK were enrolled. Measurementswere randomly performed by tono-pachymetry, ultrasonic (US) pachymetry, and Goldmann applanationtonometry (GAT). CCT measurement by tono-pachymetry was compared to that of US pachymetry.
The corrected IOP value obtained by tono-pachymetry was compared to that obtained by US pachymetryand GAT. The corrected IOP from US pachymetry and GAT was calculated using the identical compensationformula built into the tono-pachymetry. Bland-Altman plot and paired t-test were conducted to evaluate the between-method agreements.
Results: The mean CCT measurement using tono-pachymetry was significantly greater by 7.3 μm in non-surgicaleyes (p < 0.001) and 17.8 μm in post-PRK eyes (p < 0.001) compared with US pachymetry. Differenceswere significant in both Bland-Altman plotand paired t-test. The mean difference of corrected IOP values obtainedby tono-pachymetry and calculated from measurements by US pachymetry and GAT was 0.33 ± 0.87mmHg in non-surgical eyes and 0.57 ± 1.08 mmHg in post-PRK eyes. The differences in the Bland-Altman plotwere not significant.
Conclusions: The CCT measurement determined using tono-pachymetrywas significantly thicker than that ofUS pachymetry. The difference in CCT was greater in post-PRK eyes than in non-surgical eyes. However, thecorrected IOP value obtained by tono-pachymetry showed reasonable agreement with that calculated fromUS pachymetry and GAT measurements.
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참고문헌 (19)
참고문헌 신청
Amano S / 2006 / Comparison of central corneal thickness measurements by rotating Scheimpflug camera, ultrasonic pachymetry, and scanning-slit corneal topography / Ophthalmo
Barkana Y / 2005 / Central corneal thickness measurement with the Pentacam Scheimpflug system, optical low-coherence reflectometry pachymeter, and ultrasound pachymetry / J
Bland JM / 1986 / Statistical methods for assessing agreement between two methods of clinical measurement / Lancet 1 : 307 ~ 310
Bland JM / 1995 / Comparing methods of measurement:why plotting difference against standard method is misleading / Lancet 346 : 1085 ~ 1087
Bron AM / 1999 / Falsely elevated intraocular pressure due to in-creased central corneal thickness / Graefes Arch Clin Exp Ophthalmol 237 : 220 ~ 224
Barkana Y / 2005 / Central corneal thickness measurement with the Pentacam Scheimpflug system, optical low-coherence reflectometry pachymeter, and ultrasound pachymetry / J
Bland JM / 1986 / Statistical methods for assessing agreement between two methods of clinical measurement / Lancet 1 : 307 ~ 310
Bland JM / 1995 / Comparing methods of measurement:why plotting difference against standard method is misleading / Lancet 346 : 1085 ~ 1087
Bron AM / 1999 / Falsely elevated intraocular pressure due to in-creased central corneal thickness / Graefes Arch Clin Exp Ophthalmol 237 : 220 ~ 224
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