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photocoagulation (foh-toh-koh-ag-yoo-lay-shŏn) n.
1. the destruction of tissue by heat released from the absorption of light shone on it. In eye disorders the technique is used to destroy diseased retinal tissue and to produce scarring between the retina and choroid, thus binding them together, in cases of retinal detachment.

2. a method of arresting bleeding by causing coagulation, usually using an infrared light source.

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