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Myths and Truths About Universal Newborn Screening

The Universal Newborn Eye Screening (UNES) is an advanced ophthalmological exam that allows for the detection of various ocular pathologies in newborns. Despite its importance, there are still many myths surrounding this exam. In this article, we will clarify some truths and misconceptions about the UNES so that parents can make informed decisions about their baby's eye health.


Truth: UNES Can Detect More Than 50 Pathologies in Newborns

UNES is an essential tool for the early detection of serious eye diseases. It can identify more than 50 conditions, including congenital cataracts, congenital glaucoma, retinoblastoma, retinal hemorrhages, and various rare diseases that can lead to vision loss if not treated quickly.


Truth: UNES Uses Cutting-Edge Camera and Software Technology

Unlike the red reflex test, which only uses a simple light source, the UNES employs high-tech equipment. It features a high-resolution camera and advanced software that allows for a detailed mapping of the baby's retina, helping doctors identify diseases with greater precision.


Truth: The UNES Maps 85% of the Baby's Retina

While the red reflex test evaluates only the central region of the retina, the UNES can visualize about 85% of the baby's retina. This allows for the identification of changes in peripheral areas that might go unnoticed in simpler exams.


Truth: UNES Is Safe

This exam is completely safe for newborns. It is painless, does not emit harmful radiation, and is performed in just a few minutes. The most the baby may feel is slight, momentary discomfort due to the camera light, but there is no risk of damage to their vision or health.


Truth: The Majority of Diseases Detected Early by the UNES Have Treatment

Early detection is essential for ensuring a better prognosis. Many of the conditions identified by the exam can be treated more effectively when diagnosed within the first few months of life. Diseases such as congenital cataracts and congenital glaucoma, for example, can be corrected with early surgeries, ensuring a better quality of life for the child.


Myth: UNES Can Cause Damage to the Baby's Vision

This is one of the most common myths, but it is entirely false. The UNES is a safe exam performed with non-invasive technology. The light used in the camera does not have enough intensity to cause damage to the baby's retina. Additionally, it is a quick test conducted by trained professionals, ensuring total safety for the newborn.


Myth: UNES Is No Different from the Red Reflex Test

The Red Reflex Test, is an important exam but has limitations. It only evaluates whether the light reflex in the pupil is present, identifying some serious diseases. The UNES, on the other hand, uses advanced technology to map the baby's retina, allowing for a much more precise and comprehensive diagnosis. Therefore, these tests are not equivalent.


UNES is an essential tool for children's eye health, helping with the early detection of various conditions that could compromise a baby's vision. Unfortunately, myths about the exam still create doubts among parents. By clarifying these points, we hope to encourage more families to seek this exam to ensure a healthier future for their children.


If you are a parent of a newborn, consult your pediatrician and look for a clinic that offers the UNES. Prevention is the best path to ensuring your baby's visual health!

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