There is a small dark shadow in the center of my vision???
Hello, doctor.
Recently, I have noticed a small black or gray shadow in the central vision of my right eye.
The size is such that it can obscure a few words when using the computer or watching TV.
It doesn't occur every day; it occasionally appears for half an hour to an hour and then resolves on its own.
Could you please advise what this might be? Do I need to see an ophthalmologist for an examination? Also, could my long-term use of corticosteroids due to an autoimmune disease have an impact?
julia, 40~49 year old female. Ask Date: 2021/01/11
Dr. Gao Pilin reply Ophthalmology
Hello Julia: It is possible that you are experiencing floaters, but it is still advisable to visit an ophthalmologist to check for other causes.
Taking steroids should not cause such symptoms.
In Taiwan, the ophthalmology department at Puzi Hospital is open on Monday, Tuesday, Thursday, and Friday mornings from 8:00 AM to 12:00 PM, and on Wednesday afternoons from 2:00 PM to 4:30 PM.
Online responses can only serve as a reference; it is necessary to seek medical attention at a healthcare facility if needed.
I hope to have the opportunity to assist you.
Gao Pilin
Reply Date: 2021/01/11
More Info
Experiencing occasional black spots or gray shadows in your vision can be concerning, especially given your history of autoimmune disease and long-term steroid use. These symptoms may be indicative of various underlying conditions, and understanding them is crucial for your eye health.
The presence of black or gray spots in your vision, particularly if they appear intermittently and can obscure your view, may be related to a phenomenon known as "floaters." Floaters are tiny clumps of gel or cells that form in the vitreous humor, the clear gel that fills the space between the lens and the retina of your eye. As we age, the vitreous can shrink and become more liquid, leading to these floaters becoming more noticeable. They often appear as small shadows or spots that drift across your field of vision, especially when looking at a plain background, such as a blue sky or a white wall.
However, the intermittent nature of your symptoms, particularly if they are accompanied by other visual disturbances or if they seem to worsen, warrants further investigation. In some cases, floaters can be a sign of more serious conditions, such as retinal tears or detachment, which can lead to permanent vision loss if not treated promptly. Given your autoimmune condition and the use of steroids, which can increase the risk of cataracts and other eye issues, it is advisable to consult with an eye care professional.
In your case, the following steps are recommended:
1. Schedule an Eye Examination: It is essential to have a comprehensive eye exam, especially since your symptoms have changed or become more noticeable. An eye doctor can perform tests to assess the health of your retina and vitreous, looking for any signs of tears, detachment, or other issues.
2. Monitor Symptoms: Keep track of when these black spots occur, how long they last, and any accompanying symptoms (such as flashes of light, changes in peripheral vision, or headaches). This information can be helpful for your eye doctor.
3. Consider Your Medical History: Since you have an autoimmune disease and are on steroids, it is important to discuss this with your eye doctor. Steroids can have various side effects, including increased intraocular pressure, which can lead to glaucoma, and they may also affect the lens of your eye, leading to cataracts.
4. Be Aware of Warning Signs: If you experience a sudden increase in the number of floaters, flashes of light, or a shadow or curtain effect in your peripheral vision, seek immediate medical attention. These could be signs of retinal detachment, which is a medical emergency.
5. Follow-Up Care: Depending on the findings of your eye examination, your doctor may recommend regular follow-up appointments to monitor your condition, especially if there are any changes in your vision or eye health.
In conclusion, while occasional floaters can be a normal part of aging and eye health, your specific situation, particularly with your autoimmune condition and steroid use, necessitates a thorough evaluation by an eye care professional. Early detection and treatment of any potential issues are key to maintaining your vision and overall eye health.
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