yǎn / dǐ / zhào / piàn / xiǎn / shì / huàn / zhě / de / shì / shén / jīng / rǔ / tóu / biān / jiè / qīng / xī眼底照片显示,患者的视神经乳头边界清晰。The fundus photograph showed that the patient's optic disk had clearly defined edges.