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