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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 ).
Vitreous hemorrhage is the extravasation, or leakage, of blood into the areas in and around the vitreous humor of the eye. [1] The vitreous humor is the clear gel that fills the space between the lens and the retina of the eye.
If an identifiable disease does not cause this, it is called a primary vascular dysregulation (PVD); in case of an underlying disease, it is called secondary PVD. PVD is almost always associated with other vascular and non-vascular symptoms and signs. [19] This entire complex (PVD and accompanying symptoms) is today called Flammer syndrome. [20]
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Peripheral vascular disease, or PVD usually involves the arteries, and so sometimes it’s also referred to as peripheral artery disease or PAD. PVD is most often caused by a blockage, called organic PVD, most commonly caused by atherosclerosis, which is a buildup of lipids and fibrous material just under the inner lining of the blood vessel ...
I feel like no one does anymore, especially if you’re on TikTok,” Santulli said in a phone interview “That (silent reviews) caught my attention, as well as a lot of others, because it’s so ...
“When the thyroid underperforms, people often feel tired, gain weight, get cold easily, or even feel depressed. These symptoms can make life tough, so doctors often prescribe levothyroxine to ...
Persistent fetal vasculature (PFV), also known as persistent fetal vasculature syndrome (PFVS), and until 1997 known primarily as persistent hyperplastic primary vitreous (PHPV), [1] is a rare congenital anomaly which occurs when blood vessels within the developing eye, known as the embryonic hyaloid vasculature network, fail to regress as they normally would in-utero after the eye is fully ...