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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
- 2015.1
- 수록면
- 195 - 202 (8page)
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초록· 키워드
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Purpose: To investigate the feasibility of estimating effective lens position (ELP) and calculating intraocular lens power using corneal height (CH), as measured using anterior segment optical coherence tomography (ASOCT), in patients who have undergone corneal refractive surgery.
Methods: This study included 23 patients (30 eyes) who have undergone myopic corneal refractive surgery and subsequent successful cataract surgery. The CH was measured with AS-OCT, and the measured ELP (ELPm) was calculated. Intraocular lens power, which could achieve actual emmetropia (Preal), was determined with medical records. Estimated ELP (ELPest) was back-calculated using Preal, axial length, and keratometric value through the SRK/T formula. After searching the best-fit regression formula between ELPm and ELPest, converted ELP and intraocular lens power (ELPconv, Pconv) were obtained and then compared to ELPest and Preal, respectively. The proportion of eyes within a defined error was investigated.
Results: Mean CH, ELPest, and ELPm were 3.71 ± 0.23, 7.74 ± 1.09, 5.78 ± 0.26 mm, respectively. The ELPm and ELPest were linearly correlated (ELPest = 1.841 × ELPm – 2.018, p = 0.023, R = 0.410) and ELPconv and Pconv agreed well with ELPest and Preal, respectively. Eyes within ±0.5, ±1.0, ±1.5, and ±2.0 diopters of the calculated Pconv, were 23.3%, 66.6%, 83.3%, and 100.0%, respectively.
Conclusions: Intraocular lens power calculation using CH measured with AS-OCT shows comparable accuracy to several conventional methods in eyes following corneal refractive surgery.
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등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Arce CG / 2009 / Calculation of intraocular lens power using Orbsc
Aristodemou P / 2011 / Formula choice: Hoffer Q, Holladay 1, or SRK/T and refractive outcomes in 8108 eyes after cataract surgery with biometry by partial coherence interfer
Camellin M / 2006 / A new formula for intraocular lens power calculation after refractive corneal surgery / J Refract Surg 22 : 187 ~ 199
Doors M / 2010 / Value of optical coherence tomography for anterior segment surgery / J Cataract Refract Surg 36 : 1213 ~ 1229
Feiz V / 2001 / Intraocular lens power calculation after laser in situ keratomileusis for myopia and hyperopia: a standardized approach / Cornea 20 : 792 ~ 797
Aristodemou P / 2011 / Formula choice: Hoffer Q, Holladay 1, or SRK/T and refractive outcomes in 8108 eyes after cataract surgery with biometry by partial coherence interfer
Camellin M / 2006 / A new formula for intraocular lens power calculation after refractive corneal surgery / J Refract Surg 22 : 187 ~ 199
Doors M / 2010 / Value of optical coherence tomography for anterior segment surgery / J Cataract Refract Surg 36 : 1213 ~ 1229
Feiz V / 2001 / Intraocular lens power calculation after laser in situ keratomileusis for myopia and hyperopia: a standardized approach / Cornea 20 : 792 ~ 797
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