why do i see black floaters in my vision?
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Most eye floaters are caused by age-related changes that occur as the jelly-like substance (vitreous) inside your eyes becomes more liquid. Microscopic fibers within the vitreous tend to clump and can cast tiny shadows on your retina. The shadows you see are called floaters.
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To recap, black spots on LCDs are typically caused by either superficial dirt or debris, a stuck pixel or a dead pixel. The easiest problem to fix, of course, is a superficial dirt or debris. In comparison, stuck pixels are a little harder to fix, whereas dead pixels are the hardest to fix.
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Those small black dots that you are noticing are a form of acne, known as "blackheads" or "open comedones." They occur when pores on the skin become clogged open with dead skin, oil, bacteria, and other debris. Most simple cases of blackheads are easy to manage.
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It may be a symptom of an eye disease (e.g., AMD, cataracts, or glaucoma), or it could be due to issues with the optic nerve or retina. Your eyes need both the optic nerve and retina to see. If your optic nerve is having complications, you might develop optic neuritis, which can make your vision look darker.
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Acute anterior uveitis may occur in one or both eyes and in adults is characterized by eye pain, blurred vision, sensitivity to light, a small pupil, and redness. Intermediate uveitis causes blurred vision and floaters. Usually it is not associated with pain. Posterior uveitis can produce vision loss.
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Most commonly, this happens in older people with arteriosclerosis and possibly vascular disease, and is due to small clots breaking off of the walls of arteries and then lodging in the vessels of the eye. The clot obstructs the blood flow to the retina, and the vision blacks-out.
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Perhaps you have an inflammatory disease that might affect your eyes, like psoriasis, multiple sclerosis, or ulcerative colitis, the NEI says. No matter why this inflammation happens, symptoms can come on pretty quickly and may include sensitivity to light, blurred vision, floaters, eye pain, and redness.
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Eye floaters When you move your eyes to look at the floater, it moves because it is sitting in this vitreous. Most people have some floaters. They can be annoying, but are usually harmless. They may stay indefinitely or spontaneously disappear.
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In some cases, pregnant women may experience an increased number of floaters, possibly due to high blood pressure or elevated glucose levels. Floaters are tiny, cloudy spots that seem to drift in and out of your field of vision. They're actually little clumps of vitreous gel floating inside your eye.
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Sometimes black eyes can occur without trauma affecting the eye. If you have bad nasal allergies, you can get “allergic shiners.” These shiners may cause dark circles or the appearance of a black eye because blood flow is slightly hindered.
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In most cases, floaters are part of the natural aging process and simply an annoyance. They can be distracting at first, but eventually tend to “settle” at the bottom of the eye, becoming less bothersome. They usually settle below the line of sight and do not go away completely.
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Your lens is usually clear, so cataracts make it seem like you're looking through a foggy window. This is the most common cause of cloudy vision. As cataracts continue to grow, they can interfere with your daily life and make it more difficult to see things sharply or clearly.
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It's not always possible to know if someone is at risk of high blood pressure. But, some symptoms may become visible if the patient has extremely high blood pressure. Seeing floaters could be a warning sign of hypertension, according to Superdrug.
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Wet macular degeneration is a chronic eye disorder that causes blurred vision or a blind spot in your visual field. It's generally caused by abnormal blood vessels that leak fluid or blood into the macula (MAK-u-luh). The macula is in the part of the retina responsible for central vision.
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The first sign you may notice is a gradual or sudden change in the quality of your vision or that straight lines appear distorted to you. This may gradually turn into a dramatic loss of your central vision. Other symptoms include: Dark, blurry areas or whiteout that appears in the center of your vision.
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Streaks or specks of light in your vision are described as flashes. They can happen when you bang your head or get hit in the eye. They can also appear in your vision because your retina is being pulled by the gel in your eyeball. Flashes should be taken seriously if you're seeing them frequently.
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Your symptoms may last for a few weeks only, but usually they last about six months. During this time, your floaters and the flashes of light gradually calm down and become less obvious to you.