Comparison of several visual evoked potential tests in measuring normal adults' real visual acuity.
- Author:
Wen-tao XIA
1
;
Guang-you ZHU
Author Information
1. Institute of Forensic Science, Ministry of Justice, PR China, Shanghai 200063, China.
- Publication Type:Journal Article
- MeSH:
Adolescent;
Adult;
Analysis of Variance;
Evoked Potentials, Visual/physiology*;
Female;
Forensic Medicine/methods*;
Humans;
Male;
Middle Aged;
Pattern Recognition, Visual;
Vision Tests/methods*;
Visual Acuity/physiology*;
Young Adult
- From:
Journal of Forensic Medicine
2007;23(4):254-257
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE:To study and compare several measures of pattern visual evoked potential in measuring normal adults' real visual acuity.
METHODS:Forty normal eyes were selected to test the pattern reversal visual evoked potential, black-white scanning pattern visual evoked potential, red-black scanning pattern visual evoked potential, respectively. Their experiment visual acuity was compared with their real visual acuity.
RESULTS:The black-white scanning pattern visual evoked potential and the red-black sweep pattern visual evoked potential were more accurate, more convenient, and much faster in measuring real visual acuity than the pattern reversal visual evoked potential.
CONCLUSION:Pattern reversal visual evoked potential, black-white scanning pattern visual evoked potential, and red-black scanning pattern visual evoked potential all can be used in forensic medical examination of eye injuries.
