conjunctival lithiasis

例句：

1. 1. He developed conjunctival lithiasis after a long period of smoking.
   他长期吸烟后患上了结膜结石。
2. 2. The doctor diagnosed him with conjunctival lithiasis and prescribed medication to treat it.
   医生诊断出他患有结膜结石，并开了药来治疗。
3. 3.Conjunctival lithiasis can cause severe pain and discomfort, so it's important to seek medical attention if you suspect you have it.
   结膜结石会引起剧烈的疼痛和不适，所以如果你怀疑自己有的话，寻求医疗帮助是很重要的。