Blurred Vision in Left Eye During Masturbation: Causes and Concerns - Ophthalmology

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During masturbation, my left eye suddenly became blurry?


I am a 17-year-old male with a habit of masturbation.
I have severe myopia in my left eye, only able to see clearly at about 30 cm, while my right eye can see farther.
I usually do not wear glasses.
I often look at my phone or computer while masturbating, and occasionally, my left eye will suddenly feel blurry and I will blink once or twice, but then it feels fine.
This situation happens from time to time, but not every time I masturbate.
Yesterday, while masturbating, I experienced this blurriness 3 to 4 times, and during ejaculation, it happened once.
After that, my left eye felt uncomfortable, as if something was pressing on it, and this discomfort lasted for a day.
Could this be caused by excessive focus on the computer? Usually, after I masturbate, my eyes appear very red.
What could this situation be? Thank you.

Sing, 10~19 year old female. Ask Date: 2016/05/25

Dr. He Jianxian reply Ophthalmology


It is recommended that you consult an ophthalmologist for an examination and inquiry, as it is not possible to clearly understand your condition based solely on a written description.

Reply Date: 2016/05/25

More Info


Blurred vision in one eye, particularly during activities such as masturbation, can be concerning and may have several underlying causes. Given your age and the specific symptoms you are experiencing, it is essential to consider both ocular and neurological factors.

Firstly, the blurred vision in your left eye, especially if it occurs intermittently during specific activities, could be related to several factors. One possibility is that you are experiencing visual fatigue or eye strain, which is common among individuals who spend extended periods looking at screens, such as smartphones or computers. This condition, often referred to as digital eye strain or computer vision syndrome, can lead to symptoms like blurred vision, discomfort, and even headaches. The fact that you mentioned your left eye is significantly more myopic (nearsighted) than your right eye could also contribute to this issue, as the eye may be working harder to focus, especially when not wearing corrective lenses.

The sensation of your left eye feeling "pressed" or uncomfortable after these episodes could indicate a few things. It might be a result of increased intraocular pressure, which can occur due to prolonged focusing or straining. However, it is crucial to note that elevated eye pressure can also be a sign of more serious conditions, such as glaucoma, especially in individuals with high myopia. Therefore, it would be prudent to have your intraocular pressure checked by an eye care professional.

Additionally, the occurrence of redness in your eyes after masturbation could be due to increased blood flow or pressure in the eye area during physical exertion, which is not uncommon. However, if the redness persists or is accompanied by pain, significant discomfort, or changes in vision, it is essential to seek medical attention.

Another potential cause for your symptoms could be related to the neurological system. The brain processes visual information, and any sudden changes in vision, especially if they are accompanied by other symptoms like headaches or dizziness, could warrant further investigation. While it is less common, some individuals experience visual disturbances related to migraines, even without the classic headache component. This phenomenon, known as an ocular migraine or migraine aura, can cause temporary visual disturbances, including blurred vision or flashes of light.

Given your symptoms, here are some recommendations:
1. Eye Examination: Schedule an appointment with an eye care professional to assess your vision, check for any underlying issues such as high intraocular pressure, and discuss your symptoms in detail. They may perform a comprehensive eye exam, including checking your refractive error and assessing the health of your retina and optic nerve.

2. Limit Screen Time: Try to reduce the amount of time spent looking at screens, especially without breaks. The 20-20-20 rule is a helpful guideline: every 20 minutes, look at something 20 feet away for at least 20 seconds to help reduce eye strain.

3. Use Corrective Lenses: If you have a prescription for glasses, wearing them consistently can help reduce strain on your eyes and improve your overall visual comfort.

4. Monitor Symptoms: Keep track of when these episodes occur, their frequency, and any associated symptoms. This information can be valuable for your healthcare provider in determining the underlying cause.

5. Consult a Neurologist: If your symptoms persist or worsen, consider consulting a neurologist, especially if you experience headaches or other neurological symptoms.

In conclusion, while your symptoms may be related to eye strain or myopia, it is essential to rule out any serious conditions. Seeking professional medical advice will provide you with the best course of action and peace of mind regarding your eye health.

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