preferred_name: Normal to markedly reduced responses seen on full-field electroretinography, bilaterally symmetric (responses decline with age)
preferred_name_lc: normal to markedly reduced responses seen on full-field electroretinography, bilaterally symmetric (responses decline with age)
label: Normal to markedly reduced responses seen on full-field electroretinography, bilaterally symmetric (responses decline with age)
label_lc: normal to markedly reduced responses seen on full-field electroretinography, bilaterally symmetric (responses decline with age)