Common vision problems in children: how can they be detected and treated?

Vision problems in children can have a significant impact on their development, learning and quality of life. That's why it's essential for parents and educators to be vigilant in recognizing the signs of vision problems in young children.

Myopia, hyperopia and astigmatism are the most common vision disorders in children. Myopia, or difficulty seeing at a distance, is on the increase, particularly in urban areas where children spend a lot of time indoors. Hyperopia, on the other hand, is characterized by difficulty seeing up close, while astigmatism causes blurred vision at all distances due to an irregular curvature of the cornea.

Children with vision problems may not realize they're seeing poorly, as they often have no point of comparison. That's why it's important to watch for certain behaviors that may indicate a vision problem. For example, a child who frequently squints, who moves very close to the TV screen or book, or who complains of headaches or eyestrain after reading or working on a computer, may need glasses. Difficulty keeping up in class, falling grades, or a disaffection with reading can also be signs that a child is not seeing well.

Amblyopia, or lazy eye, is another common visual disorder in children. It occurs when one eye fails to develop normal vision, often due to a difference in refraction between the two eyes or a strabismus (deviation of one eye). If not detected and treated early (between the ages of 0 and 8), amblyopia can lead to permanent vision loss in the affected eye. Treatment for amblyopia usually includes wearing a blindfold over the dominant eye to stimulate the weaker eye, combined with vision exercises or optical correction.

Strabismus, or the fact that one or both eyes are not looking in the same direction, is another visual problem that can be apparent from birth or develop later. Birth strabismus needs to be treated as early as possible (between the ages of 0 and 8) to avoid the development of amblyopia. Treatment can include glasses, eye exercises or, in some cases, surgery.

Regular eye examinations are essential to detect these problems early. Pediatricians and ophthalmologists often recommend an initial vision screening between the ages of 3 and 5, followed by regular examinations throughout the school years. If a problem is detected, rapid correction with glasses, contacts or other treatments can often resolve the problem and enable the child to develop normal vision.

It's also important to encourage children to spend time outdoors, as exposure to natural light has been shown to reduce the risk of developing myopia. Limiting screen time and ensuring that children take regular breaks when reading or using a computer is also crucial to protecting their vision.

Being alert to the signs of vision problems in children, and ensuring that they receive regular vision screening, are key steps in guaranteeing their well-being and success at school.