13th February 2025

A 35-year-old lady presents with bilateral eye watering and a gritty sensation.

A 35-year-old lady presents with bilateral eye watering and a gritty sensation. It initially started 3 days ago in the left eye, then began to affect the right eye 2 days ago. Both the patient and her husband have had a sore throat and fever for the last 5 few days, but her husband has no eye symptoms. On examination, she has a red throat but no swelling of tonsils or exudate. You can palpate preauricular lymph nodes.  What is the most likely responsible pathogen? 

Select the SINGLE most appropriate option from the list below. Select ONE option only.