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A posterior vitreous detachment (PVD) is a condition of the eye in which the vitreous membrane separates from the retina. [1] It refers to the separation of the posterior hyaloid membrane from the retina anywhere posterior to the vitreous base (a 3–4 mm wide attachment to the ora serrata ).
Some conditions, like skin allergies, can get worse in the summertime when there are more environmental allergens, like pollen. The best way to protect and help your pup is by spotting the signs ...
Epiretinal membrane or macular pucker is a disease of the eye in response to changes in the vitreous humor or more rarely, diabetes.Sometimes, as a result of immune system response to protect the retina, cells converge in the macular area as the vitreous ages and pulls away in posterior vitreous detachment (PVD).
Dogs have ear mobility that allows them to rapidly pinpoint the exact location of a sound. Eighteen or more muscles can tilt, rotate, raise, or lower a dog's ear. A dog can identify a sound's location much faster than a human can, as well as hear sounds at four times the distance. [41] Dogs can lose their hearing from age or an ear infection. [42]
Aggression: When a dog presents with aggression, we have to examine all of the potential causes (a medical problem like a seizure condition, poor socialization, poor nutrition (1), high prey drive ...
Why do dogs chase their tails is likely a question you've found yourself asking in between laughter as you watched your dog zoom about after their tail as if it's not a part of them. Most of the ...
In these cases, visual snow is a normal reaction of the body, related to the way photoreceptors (rods) and neurons respond to weak or insufficient stimuli. [ citation needed ] However, if visual snow becomes persistent and continuous — especially if it is accompanied by other symptoms, such as headaches, difficulty focusing, or intense visual ...
A dogsbody, dog's body, or less commonly dog robber is someone who does menial or drudge work. [1] Originally, in the British Royal Navy, a dogsbody was a semi-sarcastic colloquialism for a junior officer or midshipman. [1] A batman has a similar function. A rough American equivalent would be a package-handler, gofer, grunt, [2] lackey, or ...