验光 | yàn guāng | optometry / to examine the eyes | |
视力测定法 | shì lì cè dìng fǎ | optometry / eyesight testing | |
验光法 | yàn guāng fǎ | optometry / eyesight testing | |
验光配镜业 | yàn guāng pèi jìng yè | optometry / eyesight testing | |
验光配镜法 | yàn guāng pèi jìng fǎ | optometry / eyesight testing |