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Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva.
Retinal haemorrhage. Retinal hemorrhage (UK English: retinal haemorrhage) is a disorder of the eye in which bleeding occurs in the retina, the light sensitive tissue, located on the back wall of the eye. [1] There are photoreceptor cells in the retina called rods and cones, which transduce light energy into nerve signals that can be processed ...
When eyes are untaped during general anaesthesia, the incidence of ocular injury has been reported to be as high as 44%. [1][2] If tape is used to hold the eyes closed, ocular injury occurs during 0.1-0.5% of general anaesthetics, and is usually corneal in nature. [3][4] Intraoperative eye injuries account for 2% of medico-legal claims against ...
8.7% global prevalence in 2020 [ 2 ] Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field. [ 1 ] Early on there are often no symptoms. [ 1 ] Over time, however, some people experience a gradual worsening of vision ...
Hemostasis. In biology, hemostasis or haemostasis is a process to prevent and stop bleeding, meaning to keep blood within a damaged blood vessel (the opposite of hemostasis is hemorrhage). It is the first stage of wound healing. Hemostasis involves three major steps: vasoconstriction.
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Emergency bleeding control describes actions that control bleeding from a patient who has suffered a traumatic injury or who has a medical condition that has caused bleeding. Many bleeding control techniques are taught as part of first aid throughout the world. [ 1 ] Other advanced techniques, such as tourniquets, are taught in advanced first ...
Chance Crawford, age 3. A Southern California barber accused of fatally beating a 6-year-old child whose mother he met at church has been charged with torture and murder in connection to the boy's ...