Floaters in your field of vision. Floaters are thick
strands or clumps of solid vitreous gel that develop as the gel ages and breaks
down. Floaters often appear as dark specks, globs, strings, or dots. Floaters
may also be caused by loose blood or pigment from tears in the retina.
Flashes of light or sparks when you move your eyes or
head. These are easier to see against a dark background. The brief flashes
occur when the vitreous gel tugs on the retina (vitreous traction). These
flashes usually appear at the edge of your visual field.
Having floaters or flashes does not always mean that
you are about to have a retinal detachment, but you should not ignore these
symptoms. Call your doctor to discuss whether you need to have an eye exam.
Staring at a computer monitor for hours on end has become a part of the modern workday. And inevitably, all of that staring can put a real strain on your eyes.
The name for eye problems caused by computer use is computer vision syndrome (CVS). CVS is not one specific eye problem. Instead, the term encompasses a whole range of eyestrain and pain experienced by computer users.
Research shows computer eye problems are common. Somewhere between 50% and 90% of people who work at a computer screen have...
If you have new or sudden flashes or floaters, darkness
over part of your visual field, or a new loss of vision that does not go away,
call your eye doctor or regular doctor right away. Floaters and
flashes may be warning signs of retinal detachment. A sudden shower of what
appear to be hundreds or thousands of little black dots across the field of
vision is a distinctive sign of blood and/or pigment in the vitreous gel and
may indicate a retinal detachment. This requires immediate medical
In rare cases, a retinal detachment can occur without warning. The first signs
A shadow or curtain effect across part of your
visual field that does not go away. Because detachments usually affect
peripheral (side) vision first, you may not notice a problem until the
detachment has gotten bigger.
New or sudden vision loss. Vision
loss caused by retinal detachment tends to get worse over time. Sudden vision loss is a medical emergency.