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Visual snow syndrome (VSS) is an uncommon neurological condition in which the primary symptom is that affected individuals see persistent flickering white, black, transparent, or colored dots across the whole visual field. [7] [4] Other common symptoms are palinopsia, enhanced entoptic phenomena, photophobia, and tension headaches.
Seizure activity is considered one of the more likely causes of fly biting episodes. Epileptic discharge in the visual cortex have been connected to subsequent fly catching syndrome. [ 3 ] Veterinary neurologists believe fly biting episodes to be a type of complex partial seizure , [ 5 ] which can cause abnormal movements while the dog remains ...
The brightness of the daytime sky also causes the eyes' pupils to contract, reducing the aperture, which makes floaters less blurry and easier to see. Floaters present at birth usually remain lifelong, while those that appear later may disappear within weeks or months. [10] They are not uncommon, and do not cause serious problems for most ...
If you're dealing with persistent eye floaters, here's what you should do. 1. See an ophthalmologist. A cast may help heal a broken leg, and over-the-counter medications can aid in managing cold ...
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Weiss ring: a large, ring shaped floater that is sometimes seen if the vitreous body releases from the back of the eye. When this occurs there is a characteristic pattern of symptoms: Flashes of light ; A sudden dramatic increase in the number of floaters; A ring of floaters or hairs just to the temporal side of the central vision
In contrast, floaters are specks or threads of variable diameter and variable visual sharpness, some of complex shape, darker than the background. If the eye stops moving, the floaters settle down. If the eye moves, the floaters follow sluggishly, because they are contained in the vitreous humor, which, being gelatinous, is subject to inertia.
Skin conditions in dogs are very common, so it's important to recognize the symptoms and understand the factors that cause them. Dr. Rebecca MacMillan, a vet with over 15 years of experience, says ...