Retinal Risks: When to Seek Immediate Treatment for Eye Flashes - Ophthalmology

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I would like to ask the doctor: Does the occurrence of flashes of light in the peripheral vision due to vitreous traction on the retina indicate a high risk of retinal tear or detachment, requiring immediate laser treatment to stabilize the peripheral retina? Or should I just follow the doctor's instructions, monitor my eye condition, and have a follow-up in six months? Or is it necessary to increase the frequency of examinations? Thank you, doctor!

Rick, 20~29 year old female. Ask Date: 2020/01/21

Dr. Gao Pilin reply Ophthalmology


Hello Rick: The flashes of light at the edge of your vision caused by vitreous traction on the retina do not necessarily indicate that there will be a tear or detachment of the retina.
If the examination shows no thinning or holes, then laser treatment is not required.
Laser treatment is intended for areas surrounding thinning and holes.
Please follow your physician's instructions and monitor your eye condition.
If there are no abnormalities, a follow-up in six months is sufficient.
If any abnormalities occur, please seek medical attention immediately.
The Ophthalmology Department at Puzi Hospital in Taiwan is open Monday, Tuesday, Thursday, and Friday from 8:00 AM to 12:00 PM, and Wednesday from 2:00 PM to 4:30 PM.
Online responses are for reference only; it is essential to visit a medical facility if necessary.
I hope to have the opportunity to serve you.
Gao Pi-Lin

Reply Date: 2020/01/21

More Info


When it comes to understanding the risks associated with retinal health, particularly in relation to flashes of light in the vision, it is crucial to recognize the underlying mechanisms and potential complications that can arise from conditions such as vitreous detachment. The presence of flashes, especially if they are new or have increased in frequency, can indeed be a sign of vitreous traction on the retina, which may lead to more serious issues such as retinal tears or detachment.

Flashes of light, often described as "photopsia," occur when the vitreous gel that fills the eye pulls on the retina. This pulling can stimulate the retinal cells, causing the perception of light even in the absence of an external light source. In individuals with myopia (nearsightedness), especially those with higher degrees of myopia, the risk of vitreous detachment and subsequent retinal complications is increased. This is due to the elongation of the eyeball, which can lead to structural changes in the retina and vitreous.

If you are experiencing flashes of light, it is essential to monitor for additional symptoms that may indicate a more serious condition. These symptoms include:
1. Increased frequency or intensity of flashes: If the flashes become more frequent or intense, this could indicate increased traction on the retina.

2. New floaters: The sudden appearance of new floaters, especially if they are accompanied by flashes, warrants immediate attention.

3. Visual field changes: Any loss of peripheral vision or the appearance of a shadow or curtain over your vision can be a sign of retinal detachment.

In terms of management, if your eye care professional has conducted a thorough examination and determined that there are no immediate signs of retinal tears or detachment, it may be appropriate to follow their recommendations for monitoring. Regular follow-ups, typically every six months, can be sufficient for stable conditions. However, if you notice any changes in your symptoms, it is crucial to seek immediate evaluation.

Regarding the question of whether to pursue laser treatment to "fix" the peripheral retina, this decision is typically based on the findings of a comprehensive eye examination. If there are signs of retinal tears or areas of weakness, laser photocoagulation may be indicated to prevent further complications. On the other hand, if the retina appears healthy and there are no tears, the focus may be on monitoring.

In summary, while flashes of light can be benign, they can also signify potential retinal issues that require careful evaluation. It is essential to maintain open communication with your eye care provider, adhere to their recommendations, and seek immediate care if your symptoms change. Regular monitoring and awareness of your symptoms are key to preserving your vision and addressing any potential complications early on.

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