Seeing Flashing Lights in Your Eyes: When to Seek Eye Care - Ophthalmology

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Flashes of light in the eyes?


Recently, I've been napping during lunch and when I press on my temples, I see flashes of light in my eyes.
It doesn't happen at other times.
Should I get it checked out?

Lurén Jiǎ, 10~19 year old female. Ask Date: 2023/07/08

Dr. Gao Pilin reply Ophthalmology


Hello: Based on your description, when you press on your temple and see flashes in your vision, this may be a visual phenomenon known as pressure phosphenes or pressure-induced visual phenomena.
This phenomenon can occur when pressure is applied to the eyes or the surrounding areas.
Generally, these pressure phosphenes do not pose a serious threat to eye health.
However, if you experience additional symptoms such as headaches, blurred vision, eye pain, or other discomfort, it is advisable to seek an ophthalmological evaluation as soon as possible.

Reply Date: 2023/07/08

More Info


Experiencing flashing lights in your eyes can be concerning, especially if it occurs in specific situations, such as when you press on your temples during a nap. While it is not uncommon for individuals to see flashes of light under certain conditions, it is essential to understand the underlying causes and when to seek medical attention.

Flashing lights, or photopsia, can occur for various reasons. One common cause is the stimulation of the retina or the vitreous gel in the eye. When you press on your temples, you may inadvertently apply pressure to the eyes, which can lead to mechanical stimulation of the retina. This stimulation can create the sensation of flashes of light. In many cases, this phenomenon is benign and does not indicate a serious problem.

However, there are other potential causes of flashing lights that warrant attention. For instance, flashes can be associated with retinal detachment or vitreous detachment. In these cases, the vitreous gel pulls away from the retina, which can lead to visual disturbances, including flashes of light and floaters. If you experience a sudden increase in the frequency or intensity of these flashes, or if they are accompanied by other symptoms such as a curtain-like shadow over your vision or significant vision loss, it is crucial to seek immediate medical attention.

Given your description of the flashes occurring specifically when you press on your temples, it may not be an immediate cause for concern. However, it is always wise to err on the side of caution, especially if you have a history of eye issues, such as high myopia or floaters. High myopia can increase the risk of retinal problems, making it essential to monitor any changes in your vision closely.

If the flashing lights persist or if you notice any other visual disturbances, it is advisable to schedule an appointment with an eye care professional. A comprehensive eye examination, including a dilated fundus exam, can help rule out any underlying conditions that may require treatment. Your eye doctor can assess the health of your retina and vitreous and provide guidance on managing any symptoms you may be experiencing.

In addition to seeking professional advice, there are some general recommendations for maintaining eye health. Ensure you are getting adequate rest, as fatigue can exacerbate visual disturbances. Practice good eye hygiene, such as taking regular breaks during prolonged screen time and ensuring proper lighting when reading or working. Staying hydrated and maintaining a balanced diet rich in vitamins and minerals can also support overall eye health.

In summary, while experiencing flashing lights in your eyes, especially when pressing on your temples, may not be an immediate concern, it is essential to monitor the situation. If the flashes persist, increase in frequency, or are accompanied by other symptoms, do not hesitate to seek medical attention. Regular eye check-ups are crucial, especially for individuals with pre-existing conditions like high myopia, to ensure any potential issues are addressed promptly.

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