منابع مشابه
Prevention of Contact Lens Complications
شمار افراد استفاده کننده از لنزهای تماسی در طی ده سال اخیر، بدلیل سهولت کاربردو در دسترس بودن انواع مختلف لنزها افزایش یافته است. هر چند که این امر موجب می گردد تعداد افراد مستعد به لنزهای تماسی افزایش یابد.
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PURPOSE To evaluate clinical characteristics, risk factors, management and outcome of contact lens induced keratitis (CLIK) associated with contact lens wear. METHODS The study comprised all consecutive patients presenting with contact lens related presumed microbial keratitis during a 12-month period at our department. Detailed demographic data, type of contact lens, duration of lens wear, w...
متن کاملPrevalence of contact lens-related complications: UCLA contact lens study.
PURPOSE This study is a cross-sectional analysis of the types and prevalence of contact lens (CL)-related complications among CL wearing patients seen in a university clinic setting. METHODS Data on CL material and design, care system, and ocular complications were recorded and statistically analyzed for CL wearers. RESULTS Of the 572 patients (846 eyes) recruited during the study, approxim...
متن کاملSwitchable telescopic contact lens.
We present design and first demonstration of optics for a telescopic contact lens with independent optical paths for switching between normal and magnified vision. The magnified optical path incorporates a telescopic arrangement of positive and negative annular concentric reflectors to achieve 2.8 x magnification on the eye, while light passing through a central clear aperture provides unmagnif...
متن کاملContact lens fitting today
RGP materials In choosing appropriate materials, it is important to remember that keratoconic patients (as well as in other primary corneal ectasias) demand high levels of comfort because they wear their lenses for long periods of time. With steep high minus lenses, which are often required, materials with high dimensional stability are recommended in order to minimise lens distortion. Mid to h...
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ژورنال
عنوان ژورنال: Eye
سال: 2007
ISSN: 0950-222X,1476-5454
DOI: 10.1038/sj.eye.6702607