| Effects on Ocular Surface and Compliance of Orthokeratology Wear in Adults with Contact Lens Discomfort. |
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Min Ku Kang, Kyung Sun Na, Hyun Seung Kim |
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Department of Ophthalmology and Visual Science, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea. githen@hanmail.net |
| 콘택트렌즈 착용 불편감을 가지는 성인에서 각막굴절교정렌즈 착용의 순응도 및 안구표면의 변화 |
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강민구⋅나경선⋅김현승 |
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가톨릭대학교 의과대학 여의도성모병원 안과 및 시과학교실 |
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| Abstract |
PURPOSE
To evaluate the effects on the ocular surface and the compliance of overnight orthokeratology lenses wear in normal myopic adults experiencing contact lens discomfort. METHODS: In this study, 28 eyes of 14 subjects were analyzed using overnight orthokeratology (OOK). This prospective study investigated the compliance of OOK wear using questionnaires, spherical equivalents, keratometry, and central corneal thickness. Ocular surface disease index, tear osmolarity, Schirmer's test I, tear film break-up time, and ocular surface staining score were evaluated as ocular surface parameters. Meibomian gland function was evaluated by assessing lid margin abnormality and meiboscore using noncontact meibography. The tests were performed before and 1 and 6 weeks after OOK wear. RESULTS: The mean age of the subjects was 26.67 ± 3.26 years, and the average duration of previous contact lens use was 2.64 ± 2.41 years. The questionnaire results showed that OOK lenses were more comfortable to wear than conventional lenses. Significant changes in spherical equivalents, keratometry, and central corneal thickness were observed at 6 weeks compared with baseline values (all p < 0.001). No significant changes were detected in ocular surface or meibomian gland status at 1 and 6 weeks compared with baseline values (all p >0.05). CONCLUSIONS: Based on the findings, OOK is a relatively safe modality with good compliance for normal myopic adults experiencing contact lens discomfort. |
| Key Words:
Contact lens discomfort;Meibomian glands;Ocular surface;Overnight orthokeratology |
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