Abstract
Purpose: To report a case of corneal opacity improved by treatment of demodex blepharitis. Case summary: A 50-year-old female who received sub-laser-assisted in situ keratomileusis (LASIK) flap surgery was referred to our clinic with corneal opacity and neovascularization in her left eye. Her visual acuity was 0.5. Telangiectasis of the eyelid margin and meibomian gland dysfunction were observed. Seven Demodex folliculorum were found in 4 eyelashes of the left eye. Lid scrub with 0.4% polyhexamethylene biguanide (PHMB) and ointment containing dexamethasone was started for demodex blepharitis treatment. After 6 months of treatment, the number of Demodex folliculorum was decreased to 2 and the best corrected visual acuity was 0.8. Corneal opacity and neovascularization were also improved. Conclusions: The present study showed that demodex blepharitis can induce atypical corneal opacity and neovascularization after LASIK surgery. Evaluation and treatment of demodex blepharitis in these patients is important. J Korean Ophthalmol Soc 2014;55(10):1558-1561
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