A 37-year-old man presents with severe unilateral eye pain, redness, photophobia and decreased vision. He wears contact lenses. Visual acuity is reduced and there is a corneal opacity. What is the MOST appropriate immediate management?AStart topical corticosteroids onlyBUrgent referral to ophthalmology for suspected microbial keratitis and start intensive topical antibioticsCAdvise lubricating drops and review in 1 weekDRemove contact lenses and observe without treatmentEStart oral antihistamines onlyCheck my answer