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Article
Asymmetrical growth of the photopic hill during the light adaptation effect
In response to progressively stronger flashes delivered against a rod saturating background light, the amplitude of the photopic ERG b-wave first increases, reaches a maximal value (V max)...
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Article
Light- and dark-adapted electroretinograms (ERGs) and ocular pigmentation: comparison of brown- and blue-eyed cohorts
This study characterizes differences in human ERGs based on ocular pigmentation. Light- and dark-adapted luminance-response (LR) series for a-, b- and i-waves and light-adapted oscillatory potentials (OPs) wer...
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Article
Essentials of photometry for clinical electrophysiology of vision
Electrophysiological testing of the visual system requires familiarity with photometry. This technical note outlines the concepts of photometry with a focus on information relevant to clinical ERG and VEP test...
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Article
Faster and more sensitive VEP recording in children
Purpose: In the difficult-to-test paediatric population, shorter test procedures are desirable. This study investigates whether Laplacian analysis of a three occipital-electrode montage detects steady-state VEPs...
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Article
A Real-Time Algorithm to Improve the Response Time of a Clinical Multigas Analyser
Objective. An algorithm to improve the response time of a clinical respiratory multigas analyser is presented. Methods. The algorithm involves the application of a second order differential equation to the ana...
