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Contact lens hygiene recommendations, are patients still in the dark?

Poster Details

First Author: C.MacGregor UK

Co Author(s):    M. Tsatsos   D. Anderson   P. Hossain              

Abstract Details


To determine the level of contact lens hygiene awareness amongst contact lens wearers and whether contact lens hygiene attitude was related to severity of keratitis.


Southampton University Hospitals, UK.


Prospective study of 50 consecutive contact lens wearers. A validated questionnaire was completed detailing contact lens hygiene practices and recall of advice previously received. Contact lens type (monthly, two-weekly, daily and extended day and night wear), source of contact lens purchase, presenting vision and 2-day follow up vision were identified. Patients were sub-divided into risk behavior groups (low, medium and high).


32 women,16 men. 25 patients were diagnosed with corneal ulcer. 21 patients had non-infiltrative keratitis and 4 patients had a corneal abrasion. 44% patients of patients with corneal ulcer were in the high-risk group, 48% and 8% patients were in the medium and low risk group respectively. Visual acuity (VA) significantly improved post treatment, mean pre-treatment VA 0.24 LogMar, mean post-treatment VA 0.09 Logmar (p = 0.02). In the medium and low risk groups, there was a statistically significant improvement in VA post treatment (p=0.02). In the high-risk group post treatment VA improvement did not show statistical significance (p =0.07).


Our study highlights the need to improve contact lens hygiene awareness and influence hygiene practices. Patients with the poorest contact lens hygiene had a slower visual recovery and greater incidence of corneal ulcer. Contact lens hygiene advice needs to be clear and reinforced over time.

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