label: Undetectable light-adapted electroretinogram
label_lc: undetectable light-adapted electroretinogram
description: "No detectable response to the light-adapted 3.0 ERG (single-flash cone response). This type of ERG measures responses of the cone system; a-waves arise from cone photoreceptors and cone off-bipolar cells; the b-wave comes from On- and Off-cone bipolar cells."