角膜异物是眼科的常见病,占眼外伤发病率的首位。重者引起角膜炎、角膜斑翳,影响视力。必须认真检查治疗。 1.临床表现及鉴别诊断角膜异物患者多有风沙迷眼、劳动时异物进入眼内及流泪等明显的刺激症状,但也有病史及异物感不明显者。这可能是由于不同的人对外来刺激的敏感性不同。异物进入眼内尚不知,当感到不适时才引起注意。所以,凡有轻度摩擦感等不适者均应详细检查有无角膜异物。浅层角膜异物诊断一般不难,用手电筒斜照即可发现。若异物细小,可用放大镜或裂隙灯检查,个别看不准的可点萤光素后再检查,则可鉴别是角 Corneal foreign body is a common eye disease, accounting for the incidence of ocular trauma the first place. Severe keratitis, corneal macular degeneration, affecting vision. Care must be taken to check the treatment. 1. Clinical manifestations and differential diagnosis of corneal foreign body more patients with wind and sand eyes, labor and foreign body into the eye and other obvious irritation symptoms, but also history and foreign body sensation were not obvious. This may be due to the different sensitivities of different people to external stimuli. Foreign body into the eye is still unknown, when it is not appropriate to attract attention. Therefore, those who have a sense of friction and other discomfort should be detailed examination of corneal foreign bodies. Shallow corneal foreign body diagnosis is not difficult, with a flashlight can be found oblique. If the foreign body is small, available loupe or slit lamp examination, the individual can not check the luciferase can check, you can identify the angle