sǔn shāng
to harm
to damage
to injure
impairment
loss
disability
diē dǎ sǔn shāng
injury such as contusion, sprain or fracture from falling, blow etc
pí céng xìng shì sǔn shāng
cortical visual impairment (CVI)
qián bù pí céng xià sǔn shāng
anterior subcortical lesions
shén jīng xìng shì sǔn shāng
neurological visual impairment (NVI)