corneal fluorescein staining

Corneal fluorescent staining (fluorescein) is a common complication in the process of wearing contact lenses. Moderate to severe corneal epithelial staining can cause a series of serious consequences such as corneal pathogen infection, corneal ulcer, perforation, etc.! Apply a little fluorescein solution to the conjunctival sac with a glass rod. Basic Information Specialist Category: Ophthalmic Examination Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: Inappropriate people: there is no damage or ulceration of the corneal epithelium. Normal value In contact with the conjunctiva, the tears are yellow-green and stained at the corneal lesion. Clinical significance As a result, there were tender green coloration at the corneal and conjunctival lesions, and no staining on the intact epithelium. 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 corneal, conjunctival epithelial lesions or ulcers who need to be examined. Precautions Contraindications before inspection: Do not disinfect fluorescein filter paper. Requirements for inspection: Be careful not to contaminate the face and clothes of the subject during operation. Inspection process 1. Apply a little fluorescein solution to the conjunctival sac with a glass rod. 2. The fluorescein solution is placed in the eye drops bottle and directly dropped into the conjunctival sac. 3. Drain the fluorescein solution into the conjunctival sac into the syringe. Not suitable for the crowd Inappropriate population: There is no damage or ulceration of the corneal epithelium.

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