Eyelids and anterior segment : Case five

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This 48 year-old man was referred to the eye clinic because of a right sore eye especially in the morning. He was also under the physician for sleep apnoea syndrome. On examination, he had a right diffuse punctate keratitis and papillary conjunctivitis but otherwise the examination including the visual acuity was normal.

a. What relevant history would you like to elicit?

b. What is shown in the above picture?

c. What is the most likely diagnosis?

d. How would you manage this condition?