Eye Flashes: Symptoms of Retinal Detachment Explained - Ophthalmology

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Flashes of light in the eyes?


(1) Can you explain the symptoms of retinal detachment, specifically regarding the flashes of light? What do these flashes look like? Are they like a beam of light, resembling lightning, or do they appear as distorted shapes? Are they straight lines without irregular shapes?
(2) When these flashes occur, do they last only for a moment, or can they persist for several seconds?
(3) Do the flashes flicker, or do they remain constant?
(4) Are the flashes very noticeable, or are they subtle and hard to detect?
(5) I recently read online that flashes of light can be a symptom of retinal detachment, which has made me quite anxious.
Whenever I see any light, I feel a tremor in my heart.
This morning, as I was getting out of bed, I felt like I saw a light (a distorted, irregular shape but not lightning), but it seemed more like a sensation rather than something I actually saw.
I’m feeling a lot of psychological pressure.

Mr. Chen, 10~19 year old female. Ask Date: 2022/07/07

Dr. Gao Pilin reply Ophthalmology


Hello Mr.
Chen: 1.
It is usually linear or arc-shaped light.
2.
It lasts for a short period of time.
3.
It flashes.
4.
Not necessarily, it depends on the location and frequency.
5.
A check-up will clarify the situation; there's no need to be afraid, as it is usually not a problem.
If there is indeed an issue, it can be addressed early.

Reply Date: 2022/07/07

More Info


Understanding the symptoms of retinal detachment is crucial for maintaining eye health, especially if you are experiencing visual disturbances such as flashes of light. Let's break down your questions regarding flashes of light and their potential association with retinal detachment.

1. What are flashes of light?
Flashes of light, often described as "lightning streaks," "flashes," or "sparks," can appear in various forms. They may resemble a bright light shining directly into your eyes, or they can take on more irregular shapes, such as zigzag patterns or curved lines. The appearance can vary from person to person, and some may experience them as brief bursts of light, while others might see them as more sustained glows.

2. Duration of flashes:
Flashes can last from a fraction of a second to several seconds. Typically, they are transient, meaning they do not persist for long periods. However, if you notice that these flashes are becoming more frequent or lasting longer, it is essential to consult an eye care professional.

3. Nature of the flashes:
Flashes can either be a single bright light or a series of flickering lights. Some individuals report seeing a continuous light, while others experience intermittent flashes. The sensation can be startling, and the variability in how they present can lead to confusion about their significance.

4. Visibility of flashes:
The intensity of flashes can also vary. Some may be very prominent and easily noticeable, while others may be faint and hard to detect. If you find yourself straining to see these flashes, it could be a sign of an underlying issue that needs to be evaluated.

5. Psychological impact and perception:
It is common to feel anxious when experiencing new visual symptoms, especially when you read about conditions like retinal detachment online. Your description of seeing irregular shapes or flashes upon waking could be influenced by anxiety or fatigue. This phenomenon, sometimes referred to as "visual snow" or "afterimages," can occur when the brain is processing visual information differently due to stress or lack of sleep.


Additional Considerations
- Retinal Detachment Symptoms:
In addition to flashes of light, retinal detachment may present with other symptoms such as an increase in floaters (tiny specks or strings that float in your vision), a shadow or curtain effect over your vision, or sudden changes in vision. If you experience any of these symptoms, it is crucial to seek immediate medical attention.

- Regular Eye Exams:
Given your concerns, regular eye examinations are vital, especially if you have risk factors such as high myopia (nearsightedness). Your eye doctor can perform a thorough examination, including dilated fundus exams, to assess the health of your retina and identify any potential issues early.

- Managing Anxiety:
If you find that your anxiety about your symptoms is overwhelming, consider discussing this with your healthcare provider. They can help you understand your symptoms better and may refer you to a mental health professional if needed.

In conclusion, while flashes of light can be a symptom of retinal detachment, they can also arise from other benign conditions. It is essential to monitor your symptoms closely and maintain regular check-ups with your eye care provider to ensure your eye health is safeguarded. If you notice any changes or worsening of your symptoms, do not hesitate to seek medical advice. Your peace of mind and vision health are paramount.

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