<W2 Reduced or extinguished photopic and scotopic responses seen on full-field electroretinography (ERG) by third decade of life
<w2 reduced or extinguished photopic and scotopic responses seen on full-field electroretinography (erg) by third decade of life
<W2 Reduced or extinguished photopic and scotopic responses seen on full-field electroretinography (ERG) by third decade of life
<w2 reduced or extinguished photopic and scotopic responses seen on full-field electroretinography (erg) by third decade of life