1st January 2024

A 35-year-old patient presents complaining of a 3-day history of having noticed an opacity in the right cornea

A 35-year-old patient presents complaining of a 3-day history of having noticed an opacity in the right cornea with associated foreign body sensation, mild redness and watering. She has been wearing sunglasses as the eye has been light-sensitive. She had a similar episode 3 years ago, which self-resolved. She has been stressed recently and had a breakout of her cold sores. On examination with fluorescein, there is a linear branching epithelial defect on the right cornea. What is the most likely diagnosis?

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