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Cornea. 2003 Apr;22(3):265-6.

Orthokeratology lens-related Pseudomonas aeruginosa infectious keratitis.

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  • 1Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, People's Republic of China.



To report a case of orthokeratology lens-related Pseudomonas corneal ulcer in an adult.


Case report.


A 37-year-old man presented with a 1-day history of painful red eye. He was a soft contact lens wearer before he started on nocturnal orthokeratology lens wear of 8 to 10 hours per night 9 months ago. Corneal scraping sent for culture revealed a heavy growth of Pseudomonas aeruginosa. The patient was treated with intensive topical fortified tobramycin and ceftazidime drops. The ulcer healed with a residual paraxial corneal scar. Although his best-corrected visual acuity (BCVA) recovered from finger counting (8/200) at presentation to 20/30, he suffered visual loss from a premorbid BSCVA of 20/15. His contrast sensitivity (Vector Vision CSV 1000 test) performance was also worse than his fellow eye.


Nocturnal orthokeratology lens wear may be associated with an increased risk of infection.

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