Floaters are small clumps of gel or cells inside the vitreous, which fill your eye. They tend to look like dots, small specks, circles, lines, or cobwebs in your field of vision. Even though they seem like they are in front of your eye, they are actually floating inside. What you see are the shadows of these tiny clumps that are cast on your retina.
You tend to notice these floaters when you're looking at something plain like a blank wall or a blue sky. With age, your vitreous starts to shrink and thin out. Strands or clumps form in the vitreous, too. If the vitreous pulls away from the rear part of the eye, it's known as posterior vitreous detachment. Floaters usually occur with posterior vitreous detachment. They are not a major cause for concern, and they fade or go away over time. If the floaters are severe, they can be removed by surgery.
The chances of you getting floaters are higher if you:
- Have gone through an eye surgery
- Have a nearsighted vision
- Had inflammation (swelling) in your eye
Flashes look like lighting streaks or flashing lights in your vision. It happens when the vitreous pulls or rubs on your retina. People compare it to seeing stars after being hit on the head. There are chances where you might see flashes on and off for weeks or even months at a time with posterior vitreous detachment. Unfortunately, retinal veins leading to retinal detachment can also be present with flashes & floaters. Flashes also occur as people age, too.
Visit
Macula & Diabetic Eye Center to learn more about floaters and flashes.
We provide 24/7 emergency services.
Flashes may not look like flashing lights all the time. There are instances where people have said that they look like heat waves or jagged lines. They may appear in one or both eyes and can last up to 20 minutes. This type of flash is usually triggered by a migraine. A migraine is a spasm of blood vessels that occurs in the brain.
After you get one of these flashes, you may get a headache; this headache is called a migraine headache. There are instances where one sees the light flashes without having a headache after it happened. This is known as migraine without headache or ophthalmic migraine.
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