Black Shadows in Fundus Photography: What You Need to Know

Q: Black Shadows in Fundus Photography: What You Need to Know

Hello： Based on your description, the fundus photography report shows no abnormalities, but there is a shadow on the right side of the image of the left eye. <br>This situation may be caused by several factors： 1. <br>Photography technique issues： During fundus photography, if th

Fundus photography in health check-up reports?

Hello, my eye examination report indicates that there are no significant abnormalities in the fundus photography.
However, I noticed a dark spot on the right side of the fundus image of my left eye, while the image of my right eye shows no such finding.
Two years ago, my fundus photography showed the same condition, and the report also stated that there were no abnormalities.
Could you please explain what might cause a dark spot on the outer side of the fundus image? Thank you.

Mr. Lin, 40~49 year old female. Ask Date: 2024/07/30

Dr. Gao Pilin reply Ophthalmology

Hello: Based on your description, the fundus photography report shows no abnormalities, but there is a shadow on the right side of the image of the left eye.
This situation may be caused by several factors: 1.
Photography technique issues: During fundus photography, if there is any deviation in the angle, lighting, or position of the eyeball, shadows may appear in the image.
This situation typically does not affect eye health.
2.
Pupil size and reflection issues: Factors such as pupil size and intraocular light reflection may also lead to shadows at the edges of the image.
3.
Normal variations in retinal structure: Some individuals may have variations in retinal structure or vascular distribution that can produce shadows at specific angles, but this does not necessarily indicate pathology.
In summary, the physician has assessed it as normal, and there should be no cause for concern.

Reply Date: 2024/07/30

More Info

Understanding the presence of black shadows in fundus photography can be a source of concern for many patients, especially when they notice discrepancies between their eye examinations. In your case, the report indicates that there are no significant abnormalities, yet you observe a black shadow in the left eye's fundus photography. Let's break down what this could mean and what factors might contribute to such findings.

Firstly, it's important to understand that fundus photography is a valuable tool used by eye care professionals to capture detailed images of the interior surface of the eye, including the retina, optic disc, and macula. The presence of shadows or dark areas in these images can arise from various causes, some of which may be benign while others could indicate a more serious condition.

1. Normal Variations: One possibility is that the black shadow you see could be a normal anatomical structure or variation. The eye has many features, such as blood vessels, the optic nerve head, and the macula, which can sometimes appear darker due to the way light interacts with these structures during imaging.
2. Pigmentary Changes: The presence of pigment in the retina can also create dark areas in fundus photographs. Conditions like benign retinal pigment epithelium (RPE) changes or even small benign nevi (moles) can appear as dark spots. These are usually harmless and do not require treatment unless there are changes over time.

3. Pathological Conditions: While your previous examinations indicated no significant issues, it is essential to consider that certain conditions can develop over time. For instance, retinal tears, detachments, or even early signs of age-related macular degeneration can manifest as dark areas in the fundus. However, these conditions typically come with other symptoms, such as changes in vision, flashes of light, or an increase in floaters.

4. Technical Factors: The quality of the imaging can also affect the appearance of the photographs. Variations in lighting, focus, or even the angle at which the images are taken can lead to shadows that may not represent an actual pathological condition.
5. Follow-Up and Monitoring: Given that you have had similar findings in previous examinations without any reported issues, it is crucial to maintain regular follow-ups with your eye care provider. They can monitor any changes in the appearance of the shadow over time and determine if further investigation is necessary.
In conclusion, while the presence of a black shadow in your fundus photography can be concerning, it is essential to interpret these findings in the context of your overall eye health and history. Since your previous examinations have shown no abnormalities, it is likely that this shadow is not indicative of a serious problem. However, it is always best to discuss any concerns with your ophthalmologist, who can provide personalized insights based on your specific situation and recommend any necessary follow-up actions. Regular eye examinations are key to maintaining eye health and catching any potential issues early on.

Similar Q&A

Understanding Dark Areas in Retinal Fundus Photography

Hello, doctor. Please see the illustration at the following URL: https://i.imgur.com/N6OCSvh.gif. I had a fundus photography done at the hospital, but the colors of the fundus are somewhat orange in some areas and dark gray in others (for example, the dark gray area in the green ...

Dr. Liang Ce reply Ophthalmology
I recommend that you 1. discuss the above situation further with your attending physician to determine if any additional examinations are necessary. 2. You may also consider consulting at an ophthalmology outpatient clinic at a medical center or large hospital. Thank you, and wis...

Understanding Translucent Shadows in Your Vision: Causes and Solutions

Hello Doctor, around October last year, I accidentally discovered that when I looked to the left or right, both of my eyes would show semi-transparent black shadows in my field of vision, but this does not occur during normal use of my eyes. After a few months of concern, I went ...

Dr. He Jianxian reply Ophthalmology
It is recommended to perform another dilated eye examination; if the results are still normal, there should be no significant issues.

Understanding and Treating Visual Disturbances: A Guide for Patients

Hello, I see curtain-like black shadows when there is a little light, and I can feel it even when I close my eyes. The examining doctors have said it's normal. Is there any treatment for this?

Dr. Wang Zhangji reply Ophthalmology
If the retina has been examined and confirmed to be unaffected, it is likely just normal vitreous aging, which does not require special treatment; regular check-ups will suffice.

Understanding Black Shadows in Vision: Causes and Concerns for Kids

Hello Doctor, my son is eight years old and has over 200 degrees of astigmatism in both eyes, with myopia of +25 in the right eye and -25 in the left eye. He has been using a 0.125% cycloplegic agent every night for the past year and a half to manage his condition. Recently, he n...

Dr. Gao Pilin reply Ophthalmology
Hello, Xiaowu: The phenomenon of being able to see far but not near does not resemble macular degeneration. It may be caused by astigmatism or dilation. If you are not wearing glasses, you might try wearing them to see if your condition improves. You can discuss this with your do...