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Flashes and floaters are related symptoms that cause patients to see flashes of light or floating specks, respectively. Experiencing flashes and floaters occasionally is extremely common, especially as patients age and the symptoms are most often completely benign. However, if they begin to occur regularly or are so intrusive that they interfere with everyday tasks like driving or work, then this can be a sign of a serious problem that demands immediate attention from an eye doctor.
If you live in the Bay Area and have been experiencing chronic flashes or floaters, contact Spectrum Eye Physicians today to schedule an eye exam. Our highly skilled team of optometrists and ophthalmologists operates six offices throughout the area and has decades of experience treating these and many other conditions.
Both flashes and floaters are caused by a separation from the vitreous - the fluid in the middle of the eyeball - from the solid retina surrounding it; the formal term for this is "posterior vitreous detachment." While this sounds like a gravely serious event, such a separation is most often caused by something as simple as a hard sneeze or a cough, and it typically lasts only for a few seconds. These phenomena are also common with aging since vitreous fluid typically begins to shrink over time, and this is entirely normal. However, chronic or severe symptoms could be the result of a detached or torn retina; this a serious condition that can result in blindness if not treated with surgery.
The finer difference between flashes and floaters is that the former is simply the result of the separation between the vitreous and retina (causing pressure on the light-sensitive retina), while the latter is the actual shadow of tiny cells or gel specks floating inside the vitreous.
Flashes are precisely what they sound like - flashing lights - and are sometimes described as resembling lightning streaks. They are similar to the "seeing stars" sensation that many people experience after being hit in the eye.
Floaters are dark specks or blotches that move across the patient's field of vision. They can come in many shapes and sizes, including lines, circles, or "cobwebs." Floaters are usually more apparent if the patient is looking at a plain surface, like a wall.
In most cases, these symptoms disappear in just a matter of seconds, but in serious instances that may be caused by a detached retina, they could last much longer or even indefinitely.
Most flashes and floaters are benign and require no treatment. However, those caused by a torn or detached retina will almost always require surgery. Depending on the degree of damage to the retina, several different surgeries are available, and the prognosis is generally good so long as the retina's most important part, the macula, hasn't been detached.
Spectrum Eye is one of the most prominent eye care clinics in the Bay Area, with six offices located throughout San Jose, Cupertino, Los Gatos, and Santa Cruz. Our team has decades of collective experience treating a wide variety of eye conditions, and we work hard to ensure each patient's comfort. Contact us today at 408-884-2215 to schedule an appointment.