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Kocuria varians – An emerging cause of ocular infections

Purpose: We report a rare case of recurrent conjunctivitis caused by gram positive aerobic microorganism Kocuria varians, which is a nonpathogenic commensal of skin, mucosa and oropharynx. Methods: A 58-year-old male with diabetes mellitus and hypertension presented to us with both eyes recurrent redness, watering, discharge and burning sensation since 3 months. On examination his best corrected visual acuity (BCVA) was 6/9, N6 in right eye and 6/6, N6 in left eye. On anterior segment examination there was upper and lower lid edema with matting of lashes, diffuse congestion, chemosis and pseudomembranes in both eyes. In view of recurrent conjunctivitis, conjunctival swab was taken and sent for culture and sensitivity. Results: The organism was identified as Kocuria varians sensitive to chloramphenicol, gentamycin and resistant to levofloxacin. 2 weeks post treatment with chloramphenicol, patient improved symptomatically and repeat culture showed no growth. Conclusion: With increasing reports of infections associated with these bacteria, it is now important for clinical microbiologists to identify and enumerate the virulence and antibiotic susceptibility patterns of such bacteria and for ophthalmologists in improving the patient care and management.