Most people will experience small specks, spots or thread-like shapes drifting across their vision at some point.
These are called floaters, and while they are usually harmless, they can sometimes be a sign of a more serious issue.
Similarly, flashes of light in your vision can occur from time to time, but in certain circumstances, they require urgent attention.
Inside your eye is a clear, gel-like substance called the vitreous, which helps the eye keep its round shape and supports the retina at the back of the eye. In childhood, this gel is thick and firm, but as we age it gradually becomes more watery.
Floaters occur when small clumps or strands of this gel form within the vitreous. These cast shadows on the retina, creating the illusion of dark shapes moving in your vision.
You may notice them more when looking at bright, plain backgrounds such as a white wall or blue sky. Because they are suspended in the vitreous, floaters shift and move as your eyes move.
Flashes of light can appear when the vitreous pulls or tugs on the retina. Some people describe them as brief flickers or lightning-like streaks in their side vision.
Flashes can occur occasionally without being harmful, but frequent or sudden flashes should never be ignored.
For most people, floaters are simply a nuisance.
However, it is important to seek urgent attention from your optometrist if you experience:
These symptoms may indicate that the retina has torn or begun to detach.
A retinal detachment is rare but serious, and prompt treatment is essential to prevent permanent vision loss.
In most cases, floaters are harmless and do not need treatment. Surgery to remove them is possible, but it carries risks and is rarely recommended for mild symptoms.
Some people find that gently moving their eyes, such as looking up and down or side to side, can help shift floaters out of their central vision.
Over time, the brain often adapts and learns to ignore them. Many people simply become less aware of floaters as the months go by.
Having occasional floaters is a normal part of ageing, and most people learn to live with them.
Flashes, however, should always be taken seriously if they appear suddenly or in combination with other symptoms.
Your optometrist can examine the back of your eye to rule out any damage to the retina and give you peace of mind.
If you’ve noticed new floaters or flashes of light, or if your symptoms have changed, it’s best to have your eyes checked.
Book an appointment with Optometrist Parramatta today for a comprehensive eye examination.
This content is for general information only and is not a substitute for professional eye care advice, diagnosis, or treatment. Always consult a qualified optometrist or healthcare professional regarding your individual circumstances.
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