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BOOK TITLE: Retina: Medical and Surgical Management
Laser (Light Amplification by Stimulated Emission of Radiation) is a light source capable of emitting a powerful monochromatic and highly coherent beam of electromagnetic radiation. The principle of stimulated emission of a photon of electromagnetic radiation was first theoretically proposed by Albert Einstein in 1917. Electromagnetic radiation of a single frequency or single wavelength thus eliminating chromatic aberration is called as monochromatic. This chapter is divided into sections such as laser photocoagulation for posterior segment disorders, subthreshold lasers, and ocular hazards. Every health professional using lasers should bear in mind its hazards and make sure that adequate safety measures are taken. Laser hazards can be divided into two types following as Beam hazards and nonbeam hazards. Laser has been the gold standard for various retinal disorders especially DME since the first publication from the ETDRS in 1985. Laser may be needed multiple times to effectively treat these disorders. Laser photocoagulation is applied to the retinal lesion centered on the RPE.
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AK Khurana, Aruj K Khurana
N Venkatesh Prajna
AK Khurana, Aruj K Khurana, Bhawna P Khurana
PK Mukherjee
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Jeewan S Titiyal, Manpreet Kaur, Sridevi Nair
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