Can Sneezing Cause Retinal Tears in High Myopia Patients? - Ophthalmology

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Can sneezing cause a retinal tear?


Hello, Dr.
Gao.
I have high myopia of 600 degrees and underwent laser treatment on my left eye last year.
During my follow-up appointment last Saturday, the doctor mentioned that the scab is stable and no new holes or lattice degeneration were found.
I would like to ask if the recent cold weather, along with my allergies causing sneezing and nasal discharge, increases the risk of retinal tears? Also, is it normal to see flashes of light after sneezing? I do not have any pathological floaters, flashes, or shadows.
Additionally, could you explain what constitutes a serious pathological floater that requires immediate attention? Thank you.

Wei, 30~39 year old female. Ask Date: 2022/12/08

Dr. Gao Pilin reply Ophthalmology


Hello: The likelihood of a retinal tear caused by sneezing or blowing your nose is low.
It is normal to see flashes of light after sneezing.
Pathological floaters refer to the sudden appearance of a large number of floaters in a short period of time.
Sometimes, there may also be changes in vision and visual field.

Reply Date: 2022/12/08

More Info


Sneezing, particularly in individuals with high myopia (such as yourself with -6.00 diopters), can indeed raise concerns about retinal health. High myopia is associated with an increased risk of retinal tears and detachments due to the elongation of the eyeball, which can lead to structural weaknesses in the retina. When you sneeze, the sudden increase in intraocular pressure can theoretically contribute to the risk of retinal tears, especially if there are pre-existing vulnerabilities in the retina.

In your case, since you have undergone laser surgery and your recent follow-up indicated that the scarring is stable without new holes or lattice degeneration, the immediate risk from sneezing may be lower. However, it is essential to remain vigilant. If you experience symptoms such as flashes of light (often described as "seeing stars"), new floaters, or a sudden increase in the number of floaters, it is crucial to seek immediate medical attention. These symptoms can indicate retinal tears or detachment, which require prompt intervention.

The phenomenon of "seeing stars" after sneezing is not uncommon and can be attributed to the sudden increase in pressure within the eye during the sneeze. This pressure change can temporarily affect the retina and cause visual disturbances. However, if this occurs frequently or is accompanied by other symptoms, it is advisable to consult your eye care provider.

Regarding the question of what constitutes a serious condition requiring immediate attention, pathological floaters or "black flies" can be concerning. These are typically described as sudden onset floaters that are dark and may be accompanied by flashes of light. If you experience a sudden increase in floaters, especially if they are accompanied by a shadow or curtain effect in your vision, this could indicate a retinal tear or detachment, which is a medical emergency.

In summary, while sneezing can theoretically pose a risk for retinal tears in high myopia patients, your recent examination suggests that your retina is stable. However, it is essential to monitor for any new symptoms and maintain regular follow-ups with your eye care professional. If you have any doubts or experience concerning symptoms, do not hesitate to seek immediate medical advice. Your eye health is paramount, and proactive management is key to preventing potential complications.

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