Ophthalmology Which of the following method is used to make a diagnosis of corneal ulcer caused by acanthamoeba? A KOH mount B Calcofluor white stain C Lactophenol cotton blue stain D All of the above 💡 Explanation Which of the following method is used to make a diagnosis of corneal ulcer caused by acanthamoeba? ✓ Correct Answer: D. All of the above