Scrapings, conjunctival

Topical anesthesia of the ocular surface is used to facilitate diagnostic techniques, such as comeal scraping, conjunctival biopsy, ocular ultrasonography and tonography, and is necessary when placing subpalpebral lavage systems or performing subconjunctival injections. Examination of the bulbar surface of the third eyelid or retrieval... 

Hyperacute bacterial conjunctivitis is associated with gonococcal infections in sexually active patients. The causative agents are Neisseria gonorrhoeae or N. meningitidis. Prompt work-up and treatment is required, as corneal perforation occurs in 10% of cases within 48 hours.12 An ophthalmologist should complete a conjunctival scraping and susceptibility testing.10... 

Conjunctival smears and scrapings are used to investigate exudative discharge or to perform a cytologic analysis of... 

Cvenkel B, Globocruk M. Conjunctival scrapings and impression cytology in chronic conjunctivitis. Correlation with microbiology. EurJ Ophthalmol 1997 7 19-23. 

A clinical study also showed the beneficial effects of the administration of aqueous berberine for the treatment of Chlamydia trachomatis infection [115]. It was found that the conjunctival scrapings of patients receiving the berberine chloride eye drops were negative for C. trachomatis and there were no relapses, even 1 year after treatment. The results suggested that berberine chloride had no direct antichlamydial properties, but it seemed to cure the infection by stimulating some protective mechanism in the host. 

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