Do I need to have a retinal examination?
Hello, doctor.
I am a patient with floaters, and my vision in both eyes is around 800-850.
It's been two years.
A few months ago, I noticed many suspected flashes moving around when I looked at a white wall or the sky.
I feel that these are not floaters.
What could these symptoms be? Additionally, I also experience this at night, and during winter nights, my vision seems less clear.
Is this due to the darker conditions in winter nights, or could I have night blindness?
Xiao Ye, 10~19 year old female. Ask Date: 2016/02/27
Dr. He Jianxian reply Ophthalmology
Your symptoms are definitely not night blindness; it sounds more like floaters are likely.
I recommend that you visit an ophthalmologist for a dilated eye exam for safety.
Reply Date: 2016/02/27
More Info
It sounds like you are experiencing a range of concerning symptoms related to your vision, particularly with your history of floaters and the new symptoms of flashes of light and difficulty seeing at night. Given your situation, it is indeed advisable to get a thorough examination, including a retina exam, to rule out any serious underlying conditions.
Floaters are common and usually benign, but the presence of flashes of light, especially if they are new or have changed in intensity, can indicate a potential issue with the retina, such as a retinal tear or detachment. These conditions can lead to serious vision loss if not addressed promptly. The fact that you have been experiencing these symptoms for several months, combined with your high myopia (nearsightedness), increases your risk for retinal problems. High myopia can stretch the retina and make it more susceptible to tears and detachments.
Regarding your concern about night vision, it is not uncommon for individuals to experience more difficulty seeing in low-light conditions, especially during winter when natural light is limited. However, if you are noticing a significant decline in your ability to see at night, it could be indicative of night blindness (nyctalopia) or other issues such as cataracts, which can also cause blurred vision in low-light situations. Night blindness can be caused by a variety of factors, including vitamin A deficiency, retinal diseases, or other eye conditions.
To address your concerns, I recommend the following steps:
1. Schedule a Comprehensive Eye Exam: Make an appointment with an ophthalmologist who can perform a detailed examination of your eyes, including a dilated fundus exam to assess the retina. This will help determine if there are any issues that need to be addressed.
2. Discuss Your Symptoms in Detail: When you visit the ophthalmologist, be sure to describe all of your symptoms, including the flashes of light, floaters, and any changes in your night vision. This information will help the doctor make a more accurate diagnosis.
3. Consider Your Overall Eye Health: Since you have a history of floaters and high myopia, it’s important to monitor your eye health regularly. Regular check-ups can help catch any potential issues early.
4. Protect Your Eyes: In the meantime, ensure you are protecting your eyes from strain, especially if you spend a lot of time on screens. Follow the 20-20-20 rule: every 20 minutes, look at something 20 feet away for at least 20 seconds. This can help reduce eye fatigue.
5. Evaluate Your Environment: If you find that your vision worsens in low-light conditions, consider using brighter lighting when reading or working at night. This can help alleviate some of the strain on your eyes.
In summary, given your symptoms and history, a retina exam is warranted to ensure that there are no serious issues affecting your vision. Early detection and treatment are crucial in preventing potential complications. Don't hesitate to seek medical attention, as your eye health is vital for your overall well-being.
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