Extremely rapid recovery of human cone circulating current at the extinction of bleaching exposures
We used a conductive fibre electrode placed in the lower conjunctival sac to record the a-wave of the human photopic electroretinogram elicited by bright white flashes, delivered during, or at different times after, exposure of the eye to bright white illumination that bleached a large fraction (∼90%) of the cone photopigment. During steady-state exposures of this intensity, the amplitude of the bright-flash response declined to ∼50% of its dark-adapted level. After the intense background was...[Show more]
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|Source:||Journal of Physiology|
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