A spatial frequency-doubling illusion-based pattern electroretinogram for glaucoma.
PURPOSE. A pattern electroretinogram (PERG) in which stimuli displaying the frequency-doubling (FD) illusion are presented simultaneously to multiple parts of the visual field was evaluated for its ability to diagnose glaucoma. This multiregion FD PERG is referred to in the current study as the MFP. METHODS. The nine stimulus regions were temporally modulated at incommensurate frequencies typically producing an FD percept. Two other spatial scales of the stimuli were also investigated. The...[Show more]
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|Source:||Investigative Ophthalmology and Visual Science|