지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 185 - 189 (5page)
이용수
초록· 키워드
오류제보하기
Purpose: To compare the characteristics of the pattern visual evoked potential (PVEP) in patients with severe visual loss and normal controls, and to demonstrate the range of PVEP parameters in normal Koreans.
Methods: The patients were divided into three groups according to visual acuity: group 1, ranging from no light perception to less than 0.02; group 2, ranging from 0.02 to 0.1; and group 3, ranging from 0.125 to 0.25. Group 4 was established as a healthy control group. The 95% confidence intervals (CIs) of the PVEP parameters were calculated for group 4. The PVEP parameters were compared among these four groups, and the amplitudes were evaluated with respect to the 95% CIs. We used the area under the curve to integrate the sensitivity and the specificity of the PVEP parameter quantitative values (7.01 to 9.57 μV and 6.75 to 10.11 μV).
Results: A total of 101 eyes were investigated. The 95% CIs of the P100 and N135 amplitudes of group 4 were 7.01 to 9.57 μV and 6.75 to 10.11 μV, respectively. The amplitudes of P100 and N135 were significantly higher in group 4 (p < 0.001). The P100 and N135 amplitude were below the 95% CI in all group 1 patients. The area under the curve of the P100 amplitude was the highest (0.789).
Conclusions: No legally blind patient in the present study exhibited a value within the 95% CI of the controls.
The P100 amplitude may be the best parameter for defining blindness in patients.
목차
등록된 정보가 없습니다.
참고문헌 (17)
참고문헌 신청
Arai M / 1997 / Comparison of Snellen acuity and objective assessment using the spatial frequency sweep PVER / Graefes Arch Clin Exp Ophthalmol 235 : 442 ~ 447
Atilla H / 2006 / Pattern electroretinography and visual evoked potentials in optic nerve diseases / J Clin Neurosci 13 : 55 ~ 59
Bach M / 2008 / Visual evoked potential-based acuity assessment in normal vision, artificially degraded vision, and in patients / Br J Ophthalmol 92 : 396 ~ 403
Gundogan FC / 2007 / Pattern visual evoked potentials in the assessment of visual acuity in malingering / Ophthalmology 114 : 2332 ~ 2337
Heckenlively JR / 2006 / Principles and practive of clinical electrophysiology of vision / Massachusetts Institute of Technology : 637 ~ 647
Atilla H / 2006 / Pattern electroretinography and visual evoked potentials in optic nerve diseases / J Clin Neurosci 13 : 55 ~ 59
Bach M / 2008 / Visual evoked potential-based acuity assessment in normal vision, artificially degraded vision, and in patients / Br J Ophthalmol 92 : 396 ~ 403
Gundogan FC / 2007 / Pattern visual evoked potentials in the assessment of visual acuity in malingering / Ophthalmology 114 : 2332 ~ 2337
Heckenlively JR / 2006 / Principles and practive of clinical electrophysiology of vision / Massachusetts Institute of Technology : 637 ~ 647
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