EC Healthcare (Stock Code: 2138)

Eye Floaters
Vitreous degradation and opacity due to ageing

What are Eye Floaters?

Do you see any floaters in your field of vision, e.g. small black spots or blotches, threads, fragments of cobwebs? These are all symptoms of eye floaters.

Eye floaters are a condition in which the clear vitreous humour in the eye degrades slowly, liquefies and becomes opaque, forming small debris floating in the vitreous. When light enters the eye, the refracted and clouded tissue is projected onto the retina. What we see is the shadow of a floating object. Causes include vitreous degeneration, vitreous detachment and retinal holes, etc. But if you see flashes or the sudden appearance of a large number of floaters, these symptoms may indicate the possibility of retinal detachment. It is necessary to seek immediate medical attention and conduct an eye examination as ophthalmologists will advise on the proper treatment to prevent permanent visual loss.

Causes of Eye Floaters

飛蚊症成因 玻璃體退化

Vitreous degradation and opacity due to ageing

Vitreous detachment from the retinal surface

Vitreous detachment from the retinal surface

Eye bleeding

Eye bleeding

Diabetes

Diabetes

深度近視可導致飛蚊症

High myopia

飛蚊症成因 視網膜出現裂孔

Retinal holes

飛蚊症原因 眼睛發炎

Eye inflammation

Symptoms of Eye Floaters

飛蚊症症狀 出現黑點

Dark spots

飛蚊症 出現網狀浮游物

Floating cobwebs

Flashes in vision

Flashes in vision

Veil crossing vision

Veil crossing vision

Treatments

In general, as long as you are used to living with floaters and your daily life is not affected, you do not need treatment. If the vision is impaired due to large and many floaters, or the sudden onset of eye floaters or vision flashes, please consult an ophthalmologist and surgical or laser treatment for removal of vitreous is recommended.

Laser Therapy

This treatment aims at breaking larger and more centralized floaters into smaller pieces to improve and get rid of eye floaters. The procedure is painless and will be performed under local anaesthesia. This therapy, however, may not be suitable for all patients, for example, if the floaters are not loose or located too close to the macula or lens, it is not advisable to undergo laser treatment to avoid complications such as cataract or macular damage.

飛蚊症 激光治療

Pars Plana Vitrectomy

The vitreous humour is removed through a small incision and replaced with a solution to maintain the shape of the eye. Vitrectomy does not necessarily remove the floaters completely, and new floaters may form if the surgery itself causes bleeding or slash in the retina.

飛蚊症治療 玻璃體切除術

It is crucial to have regular eye examinations so that your doctor can be aware of any changes and help detect eye floaters and other abnormalities.

Floaters FAQ

Eye floaters do not go away over time, but they do become less noticeable and settle at the bottom of your eye.

In general, they do not affect the visual acuity and you can get used to floaters. If you see flashes or a sudden appearance of many floaters, these symptoms may indicate retinal detachment, which can be serious enough to cause permanent visual loss.

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