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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.
Photic retinopathy is damage to the eye's retina, particularly the macula, from prolonged exposure to solar radiation or other bright light, e.g., lasers or arc welders.The term includes solar, laser, and welder's retinopathy and is synonymous with retinal phototoxicity. [1]
Corneal abrasions are the most common injury; they are caused by direct trauma, exposure keratopathy/keratitis [1] [7] [8] or chemical injury. [7] [9]An open eye increases the vulnerability of the cornea to direct trauma from objects such as face masks, laryngoscopes, identification badges, stethoscopes, surgical instruments, anaesthetic circuits, and drapes.
Corneal transplants are now used fairly frequently to restore vision and function to damaged eyes, and around 50 face transplants have been performed worldwide—including several by Dr. Eduardo ...
Radiation damage can be caused by exposure to excessive light, often caused by welding without eye protection or being exposed to excessive ultraviolet radiation, such as sunlight. Exposure to corrosive chemicals can permanently damage the eyes, causing blindness if not sufficiently irrigated.
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Other sources restrict the use of the word to temporary, reversible vision loss, distinguishing it from permanent blindness in a hierarchy of effects: "when the eye perceives bright light one of four reactions may take place. These are, in order of increasing brightness: dazzle, after image formation, flash blindness, and irreversible damage.
Millions of people are catching a glimpse of the solar eclipse — but the spectacle can lead to eye damage if you’re not careful. That’s because looking at the sun without eclipse glasses can ...