August 26, 2026

Squint in Children: Causes, Signs and Treatment Options Every Parent Should Know

If you’ve noticed that your child’s eyes don’t always seem to look in exactly the same direction — perhaps one eye drifts inward, outward, or wanders while the other stays fixed — you may be looking at a squint. Medically known as strabismus, squint is one of the most common pediatric eye conditions we see at our clinic, affecting roughly 2 to 5 in every 100 children. And while it can feel worrying the first time you notice it, the good news is that squint is highly treatable, especially when caught early.

What exactly is squint?

Normally, both eyes work together as a coordinated pair — six tiny muscles around each eye adjust constantly so that both eyes point at the same object at the same time. In a child with squint, this coordination breaks down, and one eye turns away from the object being viewed while the other eye stays aligned. This misalignment can be constant, or it may only appear occasionally — for example, when the child is tired, unwell, or concentrating on something up close like a book or a tablet screen.

What causes squint in children?

There isn’t a single cause of squint — it can arise from several different factors, and often a combination of them:

  • Uncorrected refractive errors — particularly significant long-sightedness (hypermetropia), which forces the eyes to focus extra hard and can trigger an inward turn
  • Weakness or imbalance in the eye muscles that control eye movement
  • Family history — squint often runs in families
  • Premature birth or low birth weight, which are associated with a higher risk
  • Other underlying conditions affecting the nervous system, in a smaller number of cases

Signs parents should watch for

Squint isn’t always obvious, especially in very young children. Some signs that may point to it include:

  • One eye visibly turning in, out, up or down, even briefly
  • The child closing or covering one eye in bright light, especially outdoors
  • Tilting or turning the head to one side to look at things
  • Bumping into objects on one side, or appearing clumsy with depth judgement
  • Complaints of double vision in an older child

It’s worth noting that many babies have eyes that appear to wander occasionally in the first few months of life as eye coordination is still developing — this is usually normal. However, if it continues past around 4 months of age, or is present constantly at any age, it’s time to get it checked.

Does squint always need surgery?

This is one of the biggest misconceptions we address in almost every consultation: no, not every squint needs surgery. Treatment depends entirely on the underlying cause and severity, and may include:

  • Glasses — when the squint is linked to a refractive error, correcting the vision with the right prescription can significantly reduce or even fully correct the misalignment
  • Patching therapy — covering the stronger eye for part of the day to encourage the weaker eye to work harder, particularly useful when squint has caused reduced vision (amblyopia, or “lazy eye”) in one eye
  • Vision exercises — for certain types of squint related to how the eyes converge and focus
  • Surgery — reserved for cases where the misalignment is significant, doesn’t respond to the above measures, or is affecting the child’s binocular vision and self-confidence

A thorough eye examination is essential to figure out which of these paths — or combination of them — is right for your child, which is exactly why we spend extra time on evaluation before recommending any treatment.

Why early evaluation matters

Beyond the visible cosmetic aspect, untreated squint can lead to amblyopia, where the brain starts to ignore input from the misaligned eye, causing that eye’s vision to weaken permanently if not addressed during the critical years of visual development — typically before the age of 7 to 8. This makes early evaluation genuinely time-sensitive, not just a matter of appearance.

If you’ve noticed anything unusual about how your child’s eyes align, or simply want a routine check to be safe, we’d encourage you not to wait. Early detection is, without exaggeration, the single biggest factor in how well a child’s squint responds to treatment.