Streptococcus Mitis Keratitis: A Case Report

To present the clinical and treatment features of a case who developed

Streptococcus mitis keratitis and recovered with medical treatment.

66-years old female patient applied to İzmir Şehir Hastanesi and hospitalized for treatment.

66-years old female patient applied to our hospital’s emergency service with the

complaint of an olive tree branch hitting her right eye. She had conjunctival hyperaemia,

discharge, decreased vision and pain on her eye. In the ophthalmologic examination, visual

acuity was measured as 0.1 on the right and 0.7 on the left eye. Biomicroscopic examination

revealed a large, yellow-white keratitis center on superior cornea, hypopyon and an epithelial

erosion which extended up to superior limbus. Ocular ultrasonography was normal. Corneal

scraping sampling was made for direct microscopic examination and culture to determine the

etiological agent.

Topical vancomycin, amikacin, fluconazole and cyclopentolate were started empirically. Streptococcus mitis which was sensitive to vancomycin and teicoplanin was isolated from the corneal cultures. Visual acuity was measured as 0.6, corneal opacity was detected on the superior cornea and fundus examination was normal at the third month post-treatment examination.

: Although Streptoccus mitis species rarely cause ocular infection, oral hygiene and cardiological examination of the patient should also be kept in mind because of viridians group bacteria. Diagnosis is made by corneal scraping and culture. Vancomycin is a good option treatment for Streptococcus mitis.