corneal staining

In many ophthalmologic examinations, corneal staining is one of the most commonly used methods for examining corneal damage. It helps doctors accurately determine the degree of corneal inflammatory infiltration or corneal damage and guide how to use drugs and therapeutic effects. Point sterile 1% fluorescein The liquid is in the conjunctival sac and then rinsed with physiological saline. A small amount of liquid medicine can also be used in the conjunctival sac to observe. Basic Information Specialist Category: Ophthalmic Examination Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: Inappropriate people: patients who are sensitive to stains. Normal value In contact with the conjunctiva, the tears are yellow-green and stained at the corneal lesion. Clinical significance Abnormal results Corneal and conjunctival lesions have tender green coloration, and the epithelium is not stained intact. If there is a corneal spasm, after the fluorescein is used to gently press the eyeball, it can be seen that the surface of the cornea is covered with yellow-green fluorescein, while at the fistula, there is liquid flowing out like a clear spring. Patients with keratitis need to be examined. Precautions Contraindications before inspection: Filter paper is contaminated. Requirements for inspection: Do not contaminate the face and clothes of the subject. Inspection process First check the eyes, eyelids, intraocular pressure, the outside of the eye and so on. Then operate the counter and let the patient sit in front and then perform an endocardial observation. Not suitable for the crowd Inappropriate population: Patients who are sensitive to stains.

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