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A study on the relationship of the electroretinographic scotopic b-wave amplitude to flash intensity / 眼科
Ophthalmology in China ; (6)1993.
Article in Chinese | WPRIM | ID: wpr-551108
ABSTRACT
The dark adapted electroretinogram was recorded in 30 eyes of New Zealand rabbits and 30 normal eyes of human volunteers.With the visual electrophy- siologic recording system,each eye being tested with intensities of a range of 5 log units,to study the intensity-response function of the scotopic b- wave of electroretinogram.It was found that the intensity-response function of the scotopic b-wave was a sigmoidal curve which fitted to the Naka- Rushton EquationR/Rmax=I~n/(I~n+K~n)only at low to moderate flash luminancesat high flash lumi- nances,a second limb appeared in the function,which represented a complex combination of the rod system response and the cone system response.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Ophthalmology in China Year: 1993 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Ophthalmology in China Year: 1993 Type: Article