The safety of laser pointers: myths and realities.
نویسنده
چکیده
منابع مشابه
بازآفرینی اسطوره‌های سیمرغ و ققنوس
Myths with language full of mystery ,allusion and ambiguity are attractive and inevitable realities in arena of classic literature, mystical texts and contemporary poetry. Ferdowsi, the famous classic poet, who is regarded as a firm foundation of Persian epic literature, has attempted to clarify them and emboss their significant role. The revival of ancient myths and revealing their numinous...
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We present a system that supports collaborative interactions for arbitrary environments. The system uses laser pointers as interaction devices and employs a video camera to detect where each laser pointer is pointing. Time-division multiplexing together with a wireless link affords discrimination between laser pointer dots belonging to different pointers. Safety issues with laser pointers are a...
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Nowadays laser is extensively used in various industrial, communicative, medical, and other fields. Using laser in medicine has enabled physicians to perform the most accurate and finest operations within few minutes. Non-observance of safety points during laser performance could be seriously harmful for the medical staff and the patient. Therefore, in order to prevent the possible damage of th...
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Since first being developed in 1960, the LASER, an acronym for Light Amplification Stimulated Emission of Radiation, has become a commonplace device in industry, commerce, entertainment and medicine. Laser pointers the hand-held, pen-like devices that project a beam of laser light are rapidly replacing the traditional wooden pointers used by lecturers during presentations. However, these po...
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The use of augmentative and alternative communication (AAC) services and supports with infants and young children has been limited, owing to a number of myths about the appropriateness of AAC use with this population. This article will provide an overview of some of the myths that have hampered the inclusion of AAC into early intervention service delivery and refutes them. It will then examine ...
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عنوان ژورنال:
- The British journal of ophthalmology
دوره 82 11 شماره
صفحات -
تاریخ انتشار 1998