The Light for Eye Work
نویسنده
چکیده
SIR,?The lighting of ophthalmic operation theatres has always been a subject 011 which much thought and money has been spent, but even yet the ideal has not been readied. I would call your attention to a simple plan by means of which any operation room, as constructed in India, can be used as a perfect room for eye operations. At some little distance from the side window should be arranged a vertical expanse (some 20' by 20'), on which the
منابع مشابه
بررسی شکایات چشمی و عوامل مرتبط در کاربران رایانه
Abstract Background: It is nearly twenty years passed from introducing of computer to human life and it is now an inseparable part of our life, because of widespread use of computer, many studies have been done for finding safety and health principle for these users, the aim of this study is determination of ophthalmic complains in Shahid Sadoughi University computer users. Methods: This des...
متن کاملAssessing lighting and color Temperature In The Office Workplaces And Relationship To Visual Comfort
Background and aims: Lighting directly and indirectly affects employeeschr('39') mental health and their performance. Good lighting is required for good visibility of the environment and should provide a luminous environment that is human-friendly and appropriate for the visual task performed. Optimal lighting is one of the most important issues in providing the physical conditions of different...
متن کاملMonte Carlo simulation of two 106Ru eye plaques in a new mathematical human eye model
BEBIG Ruthenium-106 ophthalmic plaques have been used for treatment of uveal melanoma, retinoblastoma, melanoma of the iris and other special applications for many years. The plaques consist of a thin film of 106Ru, a beta emitter, encapsulated in pure silver. The present work proposes a new mathematical eye model for ophthalmic brachytherapy dosimetry. This new mod...
متن کاملStructure and arrangement of photoreceptors in the retina of big eye kilka, Clupeonella grimmi (Kessler 1877)
The big eye kilka, Clupeonella grimmi, is a marine fish living in depth of 20 to 200 meter of the Caspian Sea. Its eye and retina were processed for histological and SEM studies. Paraffin embedded retina was cut radially and tangentially in 5 ?m thickness and stained with hematoxylin and eosin method. The unstained sections were manipulated for SEM image observations. Tangential retinal sect...
متن کاملPREVENTIVE EFFECTS OF VITAMIN A AND ASPIRIN ON UV LIGHT-INDUCED RETINOPATHY IN AN ANIMA L MODEL
In order to identify the effects of vitamin A and aspirin on reducing UV lightinduced retinopathy, ERG waves were compared before and after UV light exposure in rabbits. 30 rabbits were divided into 3 groups: the first group received vitamin A, 50,000 units I.M., single dose, the second group received aspirin, 50 mg/ kg/day PO and the third group did not receive any medication. All three gr...
متن کاملRetinal morphology and retinomotor response in Caspian kutum (Rutilus frisii subsp. kutum)
In this study, the morphology and organization of the retina of Caspian kutum and fish response to ambient light as retinomotor reaction was investigated. The Rutilus frisii subsp. kutum is an anadromous fish and important native fish specimen of Caspian Sea. The specimens were obtained from Shahid Ansari Teleost Reproduction and Culture center (Guilan province, Iran). For light and dark adapta...
متن کامل