Floaters in Young Children: Concerns and Insights - Ophthalmology

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Vitreous Floaters in Infants


Hello Doctor: My younger son is about four years old.
Last week, I took him for his first vision check-up, and everything regarding his vision was fine.
The examination was done without dilation, and the doctor used a slit lamp and an indirect ophthalmoscope.
During the process, my child was curious and occasionally looked towards the light source.
Since we returned, he has been saying that he sees a transparent white object flying around, which then disappears.
Sometimes he also mentions seeing a tiny black dot that seems to be jumping.
I would like to ask: 1.
Can a child with normal vision and a doctor who has already examined the fundus experience floaters? 2.
Is it appropriate to use a slit lamp and an indirect ophthalmoscope for a four-year-old child? Is this a standard procedure for young children? Could the bright light potentially cause vision impairment in children? 3.
Since he did not have these symptoms before the examination, could the light source used during the check-up have caused eye damage leading to floaters? 4.
If the light source from the examination did cause damage, what would be the most severe outcome? Is there a way to remedy or confirm this? The examining doctor was very thorough and gentle, so I feel hesitant to ask him again, but I am still very concerned and would like to know if there are any remedial measures.
Thank you.

Lun, 30~39 year old female. Ask Date: 2023/04/29

Dr. Gao Pilin reply Ophthalmology


Hello: 1.
Floaters are usually caused by opacities in the vitreous body, and even individuals with normal vision can experience floaters.
Therefore, it is possible for children with normal vision to also have floaters.
2.
Generally, a four-year-old child can undergo slit-lamp examination and fundus examination.
These tests are typically safe, pose minimal risk, and do not cause vision impairment.
3.
The light source used during the examination usually does not damage the eyes; floaters are typically due to vitreous opacities rather than issues related to the light source.
4.
There should not be any concerns regarding this; please rest assured.

Reply Date: 2023/04/29

More Info


Understanding floaters in young children can be a source of concern for parents, especially when it comes to the health of their child's vision. Floaters are small specks or clouds that drift through your field of vision, and they are often more noticeable when looking at a plain background, such as a clear sky or a white wall. While floaters are common in adults, their occurrence in young children can raise questions about their significance and potential underlying issues.

1. Can a child with normal vision experience floaters?
Yes, it is possible for a child with normal vision to experience floaters. Floaters can occur due to the natural aging process of the eye, where the vitreous gel that fills the eye begins to liquefy and pull away from the retina. However, in children, floaters can also be a result of other factors, such as eye trauma or inflammation. Since your child's vision was assessed as normal during the eye examination, it is less likely that the floaters indicate a serious problem, but it is still important to monitor the situation.

2. Is it common for a four-year-old to undergo slit lamp and indirect ophthalmoscopy examinations?
Yes, slit lamp and indirect ophthalmoscopy examinations can be performed on young children, although they may not be as common as in adults. These tests allow the eye doctor to examine the structures of the eye in detail. Pediatric ophthalmologists are trained to conduct these examinations in a way that is suitable for children, often using playful techniques to keep them engaged. The use of bright lights during these examinations is standard practice and is generally safe for children.

3. Could the examination's light source cause floaters?
It is highly unlikely that the light source used during the eye examination caused the floaters. The bright light is intended to illuminate the eye for a thorough examination, and while it may cause temporary discomfort or sensitivity, it does not typically result in permanent damage or the development of floaters. If your child is experiencing new floaters after the examination, it is more likely coincidental rather than a direct result of the examination itself.

4. What are the potential consequences if the light source did cause damage?
If there were any adverse effects from the examination, they would likely manifest as temporary discomfort or visual disturbances rather than permanent damage. Serious complications from eye examinations are rare, especially when conducted by trained professionals. If there were any concerns about potential damage, the eye doctor would typically provide follow-up instructions or recommend further evaluation. In most cases, floaters are benign and do not require treatment unless they are accompanied by other symptoms, such as flashes of light or a sudden increase in the number of floaters, which could indicate a more serious condition like retinal detachment.

In conclusion, while it is understandable to be concerned about your child's experience with floaters, it is important to remember that they are often a normal occurrence and not necessarily indicative of a serious problem, especially in the context of a normal eye examination. However, if you notice any changes in your child's vision or if the floaters become more pronounced, it is advisable to consult with an eye care professional for further evaluation. Regular eye check-ups are essential for monitoring your child's vision and ensuring their overall eye health.

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