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世界核心医学期刊文摘（眼科学分册） 2006年第6期2卷 45-46页

作者： Wild J. M. Kim L. S. Pacey i. E. Cunliffe i.A. 曹绪胜(译) 不详 Cardiff School of Optometry and Vision Sciences Cardiff University Redwood Building King Edward VII Avenue Cardiff CF10 3NB United Kingdom

Purpose: To document the magnitude of any learning effect for short-wave length automated perimetry (SWAP) in patients with either ocular hypertension (oht) or open-angle glaucoma (OAG) who are experienced in standard automated perimetry (SAP). Design: Experimental study. Participants: Thirty-five patients (22 with oht and 13 with OAG) who had previously undergone at least 3 threshold SAP visual field examinations with the Humphrey Field Analyzer (HFA; Carl Zeiss Meditech inc.,Dublin,CA),and 9 patients with oht who had not previously undertaken any form of perimetry. Methods: Each patient attended for SWAP on 5 occasions,each separated by 1 week. At each visit,both eyes were examined using Program 24-2 of the HFA; the right eye was always examined before the left eye. Main Outcome Measures: (1) Change over the 5 examinations,in each eye,of the visual field indices Mean Deviation (MD),Short-term Fluctuation (SF),Pattern Standard Deviation (PSD),and Corrected Pattern Standard Deviation. (2) Change in each eye between Visits 1 and 5 in proportionate Mean Sensitivity (pMS) for the central annulus of stimulus locations compared with that for the peripheral annulus thereby determining the influence of stimulus eccentricity on any alteration in sensitivity. (3) Change between Visits 1 and 5 in the number and magnitude of the Pattern Deviation (PD) probability levels associated with any alteration in sensitivity. Results: The MD,SF,and PSD each improved over the 5 examinations (each at Pimprovement in pMS between Visits 1 and 5 was greater for the peripheral annulus than for the central annulus by approximately two fold for the patients with OAG. Considerable variation was present between patients,within and between groups,in the number of locations exhibiting an improving sensitivity between Visits 1 and 5 by 1 or more PD probability levels. Conclusions: Care should be taken to ensure that,during the initial examinations,apparent field loss with SWAP in patie

关键词：短波长自动视野检查影响程度 Humphrey视野计学习检查过程光敏感度开角型青光眼平均偏差标准差试验研究

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