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Peripheral (posterior) vitreous detachment occurs when the gel around the eye separates from the retina. This can naturally occur with age. However, if it occurs too rapidly, it can cause photopsia which manifests in flashes and floaters in the vision. Typically, the flashes and floaters go away in a few months.
The intense heat generated by a lightning strike can burn tissue, and cause lung damage, and the chest can be damaged by the mechanical force of rapidly expanding heated air. [ 4 ] Just as heat can cause expanding air in the lungs, the explosive shock wave created by lightning (the cause of thunder) can cause concussive and hearing damage at ...
However, if the eyes are exposed to a high enough level of light, such as a nuclear explosion, the blindness can become permanent. Flash blindness may also occur in everyday life. For example, the subject of a flash photograph can be temporarily flash blinded. This phenomenon is leveraged in non-lethal weapons such as flash grenades and laser ...
In 2011, the organization changed its name and the name of its affiliates to Mayo Clinic Health System. [9] [10] By 2012, the health system had 70 locations and reported seeing 500,000 patients annually. [11] Prathibha Varkey was named president of Mayo Clinic Health System in 2021; she succeeded Bobbie Gostout.
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 ...
It can cause vision problems, drooping eyelids, and difficulty walking, talking, chewing tough food, and even limit your ability to lift your arms above their head.
RELATED: What your eyes say about your health "Since patients oftentimes require multiple treatments and overexposure to this, light can be potentially dangerous to your vision," she continued.
Damage is cumulative over one's lifetime, so that permanent effects may not be evident for some time after exposure. [19] Ultraviolet radiation of wavelengths shorter than 300 nm (actinic rays) can damage the corneal epithelium. This is most commonly the result of exposure to the sun at high altitude, and in areas where shorter wavelengths are ...