A review of corneal diameter, curvature and thickness values and influencing factors*
نویسندگان
چکیده
منابع مشابه
[Diurnal variations of central and paracentral corneal thickness and curvature].
OBJECTIVE Corneal topography and thickness has clinical importance in contact lens fitting and refractive surgery, however repeated measurement of corneal thickness and curvature is complicated by the natural phenomenon of diurnal variation. Our aim was determine diurnal variations of central and paracentral corneal thickness and curvature over a period of ten hours. MATERIALS AND METHODS Cor...
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چکیده ندارد.
Gender differences in corneal thickness values
The aim was to study gender differences in corneal thickness. We analysed the corneal thickness of 100 corneas of 100 healthy subjects (mean age 30.87±7.76 years; range, 19 to 54 years old) with the Orbscan Topography System II (Orbscan, Inc., Salt Lake City, UT. USA). The means of five consecutive measurements of the central and paracentral corneal thickness were obtained. No significant diffe...
متن کاملthe innovation of a statistical model to estimate dependable rainfall (dr) and develop it for determination and classification of drought and wet years of iran
آب حاصل از بارش منبع تأمین نیازهای بی شمار جانداران به ویژه انسان است و هرگونه کاهش در کم و کیف آن مستقیماً حیات موجودات زنده را تحت تأثیر منفی قرار می دهد. نوسان سال به سال بارش از ویژگی های اساسی و بسیار مهم بارش های سالانه ایران محسوب می شود که آثار زیان بار آن در تمام عرصه های اقتصادی، اجتماعی و حتی سیاسی- امنیتی به نحوی منعکس می شود. چون میزان آب ناشی از بارش یکی از مولفه های اصلی برنامه ...
15 صفحه اولIntroduction: Factors influencing corneal hydration
The swelling of the corneal buttons in aqueous solution can be prevented by adding high molecular weight solutes to the bathing medium. In appropriate concentrations of these colloidal substances the button can be dehydrated, a matter of some significance in clinical situations. Swelling of the cornea in the intact eye in vitro can be similarly prevented. The suggestion is made that swelling is...
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ژورنال
عنوان ژورنال: African Vision and Eye Health
سال: 2013
ISSN: 2410-1516,2413-3183
DOI: 10.4102/aveh.v72i4.58