《旧唐书·列传·卷六十一》
房琯的长子乘，从小双目失明。
琯长子乘，自少两目盲。
Fang Guan’s eldest son, Cheng, had been blind since childhood.
<s>[INST] Kindly elucidate the central themes in this passage in English: 琯长子乘，自少两目盲。 [/INST] Fang Guan’s eldest son, Cheng, had been blind since childhood.</s>
Kindly elucidate the central themes in this passage in English: 琯长子乘，自少两目盲。
user
Fang Guan’s eldest son, Cheng, had been blind since childhood.
assistant