Nasser Orwa, Patil Minal
Ophthalmology, Orasis Eyecare Center, Ma'alot-Tarshiha, ISR.
Ophthalmology, Hadassah Academic College, Jerusalem, ISR.
Cureus. 2023 Dec 6;15(12):e50030. doi: 10.7759/cureus.50030. eCollection 2023 Dec.
Ocular trauma is the most frequent cause of monocular blindness. Ocular surface injury is the commonest among ocular injuries. Corneal abrasion and foreign body are the most common corneal injuries. A 40-year-old dentist with a history of partially penetrating corneal injury due to a pencil presented with and retained graphite bodies in the cornea 37 years after injury. His refraction was +1.0 sphere with no astigmatic error. There was no evidence of any inflammatory reaction. Intrastromal corneal graphite particles can be inert and cause no inflammatory reaction or astigmatic error even decades after injury.
眼外伤是单眼失明最常见的原因。眼表损伤是眼外伤中最常见的类型。角膜擦伤和异物是最常见的角膜损伤。一名40岁的牙医，有因铅笔导致部分穿透性角膜损伤的病史，受伤37年后角膜内仍留存石墨颗粒。他的验光结果为球镜+1.0，无散光。没有任何炎症反应的迹象。角膜基质内的石墨颗粒可能呈惰性，即使在受伤数十年后也不会引起炎症反应或散光。
