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An individual with Christmas Eye experiences extreme eye pain, a swollen and watery eye and itchy and burning lesions on the cornea. [7] The pain level most commonly ranges to a score of 8 or 9 out of 10, but during the early stages it could be less depending on the degree of corneal disruptions.
[10] [11] The pathogen often makes Douglas fir trees unsalable as Christmas trees and affects the Christmas tree farming industry. [10] Douglas firs are also affected by Phaeocryptopus gaumanni which causes Swiss needle cast. [6] Red band needle blight is a fungal disease which affects coniferous trees, particularly pine, with a worldwide ...
MVD, which is frequently fatal and is related to the much better-known Ebola virus, is sometimes known as "bleeding eye disease" because it damages people's blood vessels, causing them to bleed ...
There are many diseases known to cause ocular or visual changes. Diabetes , for example, is the leading cause of new cases of blindness in those aged 20–74, with ocular manifestations such as diabetic retinopathy and macular edema affecting up to 80% of those who have had the disease for 15 years or more.
7. Using damaged lights. Inspect all your holiday string lights carefully before stringing them on your Christmas tree. Check for any loose or missing bulbs and examine the cords for signs of wear ...
The illness affects the nervous system and causes severe weakness in the arms and legs. ... the viruses cause mild symptoms, such as a runny nose, cough, headache and generalized feelings of "meh ...
Ticks and lice form another large group of invertebrate vectors. The bacterium Borrelia burgdorferi, which causes Lyme Disease, is transmitted by ticks and members of the bacterial genus Rickettsia are transmitted by lice. For example, the human body louse transmits the bacterium Rickettsia prowazekii which causes epidemic typhus.
Thygeson's superficial punctate keratopathy (TSPK) is a disease of the eyes.The causes of TSPK are not currently known, but details of the disease were first published in the Journal of the American Medical Association in 1950 by American ophthalmologist Phillips Thygeson (1903–2002), after whom it is named.