Retinal Issues: When to Seek Immediate Eye Care - Ophthalmology

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Retinal issues


Recently, I accidentally bumped the back of my head during a break in physical education class.
After that, when I perform jumping movements, I see a little flash of light, but it disappears when I'm walking or not moving.
If I leave this untreated, could it become more serious? If so, should I seek medical attention immediately?

Hei Jie Ge, 10~19 year old female. Ask Date: 2023/02/16

Dr. Gao Pilin reply Ophthalmology


Hello: If you experience flashes of light after hitting the back of your head, this may be a visual symptom known as "flashes." This symptom is typically caused by head trauma or eye issues, but it can also be an early sign of other serious conditions, such as retinal detachment.
In your case, since the impact affected your head, if you notice flashes during certain activities, it could indicate a more serious issue, and you should seek medical attention as soon as possible for an evaluation.
If you have other symptoms such as headaches, nausea, vomiting, or memory loss, these may also indicate that you need to see a doctor promptly.
Therefore, I recommend that you get checked as soon as possible to determine if you require further treatment.

Reply Date: 2023/02/16

More Info


When it comes to retinal issues, especially after experiencing a head injury, it is crucial to understand the potential implications and when to seek immediate medical attention. The symptoms you describe—seeing flashes of light during specific movements, such as jumping—can be indicative of several conditions, some of which may require urgent care.

Firstly, the flashes of light you are experiencing could be related to a phenomenon known as "photopsia," which can occur when the retina is stimulated by mechanical forces, such as those resulting from a head injury. This stimulation can sometimes indicate that the retina is being pulled or that there may be a tear or detachment. While these symptoms may not be constant and may only occur during certain activities, they should not be ignored, especially following a head injury.

In general, if you experience any of the following symptoms after a head injury, you should seek immediate medical attention:
1. Flashes of Light or Floaters: If you notice new flashes of light or an increase in floaters (small specks or lines that drift through your field of vision), this could indicate retinal issues.

2. Vision Changes: Any sudden changes in vision, such as blurriness, loss of peripheral vision, or a curtain-like shadow over your vision, warrant immediate evaluation.

3. Headaches or Eye Pain: Persistent headaches or pain in or around the eye, especially if accompanied by visual disturbances, should be assessed by a healthcare professional.

4. Nausea or Vomiting: These symptoms, particularly if they accompany visual changes, could indicate increased intracranial pressure or other serious conditions.

Given your recent head injury and the emergence of visual symptoms, it is advisable to err on the side of caution. While it is possible that your symptoms may resolve on their own, there is also the risk that they could indicate a more serious underlying issue, such as a retinal tear or detachment, which can lead to permanent vision loss if not treated promptly.

In terms of immediate action, I recommend that you schedule an appointment with an eye care professional as soon as possible. If you experience any worsening of symptoms, such as increased flashes, new floaters, or any of the symptoms listed above, do not hesitate to go to the nearest emergency room or urgent care facility. They can perform a thorough examination, including a dilated eye exam, to assess the health of your retina and determine if any intervention is necessary.

In summary, while it is possible that your symptoms may not indicate a serious problem, the potential risks associated with retinal issues following a head injury make it essential to seek medical advice. Early detection and treatment are key to preserving your vision and ensuring your overall eye health.

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