A Design Methodology for Buoyant Prescription Sunglasses
نویسنده
چکیده
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منابع مشابه
بررسی فراوانی عینکهای آفتابی غیراستاندارد عرضه شده توسط دستفروشان شهر تهران سال 89
Abstract Background: Solar light has various electromagnetic radiations include Ultraviolet, Visible & infrared rays. Overexposure to solar ultraviolet radiations can lead to some dangerous disorders and usage of non standard sunglasses can increase foregoing harmful effects. In Iran cataract is the most common disorder produced by UV rays. This study aims to measure the transmission of ultr...
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متن کاملUltraviolet protective properties of branded and unbranded sunglasses available in the Indian market in UV phototherapy chambers.
BACKGROUND Patients receiving phototherapy for various dermatoses are at increased risk of eye damage due to ultraviolet (UV) rays. They are prescribed UV protective sunglasses by dermatologists but their exact protecting effects are not known. AIM To study the ultraviolet protective properties of branded and unbranded UV protective sunglasses available in the Indian market, in UV phototherap...
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BACKGROUND Sunglasses users may only be assured on their ultraviolet protection by purchasing certified products, however they are not able to check if sunglasses are still ultraviolet (UV) protected as they age, unless they resort themselves to a professional who is qualified for using a spectrophotometer and is acknowledged on the standards for providing a report for the user. Current literat...
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تاریخ انتشار 2013