Suspecting that you have narrowed vision?
Hello, doctor.
I am currently a sophomore in high school.
Last week, while I was studying, I suddenly felt that my left visual field seemed to be about 15 degrees smaller than my right.
I'm not sure if this is actually the case.
I believe I am right-eye dominant, and my myopia is approximately -3.75 diopters in the right eye and between -2.00 to -2.50 diopters in the left eye.
Additionally, sometimes when I walk from my room to the balcony, I notice a small black spot in my vision, and its position changes when I close one eye.
I'm uncertain if there are any hereditary eye diseases in my family.
I spend about 4 hours a day reading and using my phone (3.5 hours reading and 0.5 hours on my phone), with breaks in between.
I don't use my phone much at school, and on weekends, I might use it for about 8 hours (but the ratio varies).
Generally, I don't use it continuously.
I would like to ask if I might have a condition like glaucoma.
Should I see an ophthalmologist for an examination? I apologize for my concerns, but I wanted to ask.
Thank you!
Gaozhongsheng, 10~19 year old female. Ask Date: 2021/10/18
Dr. Gao Pilin reply Ophthalmology
Hello, high school student: If you feel that your field of vision has narrowed, it may not always be accurate, and a visual field test is necessary to determine the issue.
I recommend that you visit an ophthalmologist for a visual field examination to rule out problems such as glaucoma.
If there is indeed an issue, early treatment can be initiated.
The black spots in your field of vision are likely due to floaters.
Reply Date: 2021/10/18
More Info
It's understandable to feel concerned about your vision, especially when you notice changes such as a narrowed field of vision or the appearance of black spots. Given your age and the symptoms you've described, it's important to approach this situation with both caution and awareness.
Firstly, the narrowing of your left visual field by approximately 15 degrees is something that should definitely be evaluated by an eye care professional. While it could be a benign issue, such as eye strain or fatigue from prolonged reading and screen time, it could also indicate a more serious condition that requires attention. Conditions like glaucoma, retinal issues, or even neurological problems can manifest as changes in visual field, so it’s crucial to get a comprehensive eye examination.
The fact that you are experiencing a small black dot in your vision that changes position can also be concerning. This could be related to floaters, which are often harmless but can sometimes indicate more serious conditions, especially if they are accompanied by flashes of light or a sudden increase in their number. Given your family history of eye diseases, it’s wise to be proactive about your eye health.
Regarding your concerns about glaucoma, while it is more common in older adults, it can occur in younger individuals as well, particularly if there is a family history of the disease. Glaucoma is characterized by increased intraocular pressure that can damage the optic nerve, leading to vision loss. Regular eye exams that include measuring your intraocular pressure and assessing your optic nerve health are essential for early detection and management of glaucoma.
In terms of your daily habits, it’s good to hear that you are taking breaks while studying and limiting your screen time. However, it’s also important to ensure that your reading and working environments are well-lit and that you maintain a proper distance from screens and books to reduce eye strain. If you find that your symptoms persist or worsen, consider adjusting your study habits further, such as incorporating more frequent breaks or using blue light filters on your devices.
Given all these factors, I strongly recommend that you schedule an appointment with an eye doctor as soon as possible. They will perform a thorough examination, which may include visual field tests, retinal imaging, and intraocular pressure measurements. This will help determine the cause of your symptoms and whether any treatment is necessary.
In conclusion, while it’s natural to feel anxious about changes in your vision, taking proactive steps by consulting with an eye care professional is the best course of action. Early detection and intervention can make a significant difference in managing any potential eye conditions. Remember, your vision is invaluable, and taking care of it is essential for your overall well-being.
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