AUTOMATED PUPIL PERIMETRY - PUPIL FIELD-MAPPING IN PATIENTS AND NORMAL SUBJECTS
AUTOMATED PUPIL PERIMETRY - PUPIL FIELD-MAPPING IN PATIENTS AND NORMAL SUBJECTS
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DOI：
10.1016/s0161-6420(91)32267-x
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发表时间：
1991-04-01
期刊：
影响因子：
13.7
通讯作者：
THOMPSON, HS
中科院分区：
文献类型：
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作者：
KARDON, RH;KIRKALI, PA;THOMPSON, HS
作者通过将红外视频瞳孔计与汉弗莱场分析仪连接，开发了一种自动瞳孔测量方法。开发了一种软件，可以自动分析瞳孔对焦点光刺激的反应，并以图形方式显示结果。汉弗莱程序30-2的76个位置均可在5.5分钟内测试两次，通过比较每个刺激位置的瞳孔收缩幅度或潜伏期来确定场的相对灵敏度。在低水平介观条件下（3.15灰碗背景），3度、9度、15度、21度和27度环形区域内的平均瞳孔反应与15 dB范围内的对数刺激强度呈线性相关。在正常受试者中，颞上象限的平均瞳孔运动反应最大，鼻下象限的平均瞳孔运动反应最小。瞳孔在颞野的反应大于鼻野相应部位的反应。有视野缺陷的患者在接受瞳孔视野检查时，在视野内的同一位置出现瞳孔缺损，这证明瞳孔视野检查可能是评估视野功能的一种有用的、客观的手段。
The authors developed an automated method of pupil perimetry by linking an infrared video pupillometer to a Humphrey Field Analyzer. Software was developed to automatically analyze the pupil responses to focal light stimuli and display the results graphically. All 76 locations of Humphrey program 30-2 could be tested twice within 5.5 minutes and the relative sensitivity of the field was determined by comparing the amplitude of pupil constriction or latency time at each stimulus location. The mean pupil responses within annular areas at 3-degrees, 9-degrees, 15-degrees, 21-degrees, and 27-degrees were shown to be linearly related to log stimulus intensity over a 15 dB range under low level mesopic conditions (3.15 asb bowl background). In normal subjects, the superior temporal quadrant usually had the greatest mean pupillomotor response and the inferior nasal quadrant had the least. Pupil responses in the temporal field were larger than corresponding locations in the nasal field. Patients with visual field defects who underwent testing by pupil perimetry showed pupillary deficits in the same location within the field, providing evidence that pupil perimetry may be a useful, objective means of assessing visual field function.