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Choosing Glasses for Nearsighted Children

Written by Alvin · Manh Long Optical, 147A Le Duan, Cua Nam, Hanoi · Updated 11 September 2026

• Nearsighted children should be tested every 6 months, not every 12 like adults.
• Flexible plastic frames hold up well for active, hyperactive kids.
• Children's eye tests are free at Manh Long Optical.

Signs your child might be nearsighted

Young children rarely say their vision is blurry, since they usually assume that's just how seeing works. Parents should watch for a few signs: squinting at distant objects, sitting very close to the TV or holding books very near the face, rubbing their eyes or complaining of tired eyes or headaches after school, and grades slipping for no other reason, especially anything that involves copying from a whiteboard.

Why children need eye tests more often than adults

A child's eyes are still developing, so their prescription can shift within a few months, unlike an adult's, which is usually more stable over time. Testing every 6 months catches a changing prescription early, rather than letting a child wear the wrong strength for a long stretch without anyone noticing, since children rarely speak up on their own.

At Manh Long Optical, any child old enough for school can be tested. The process is the same as for adults, just guided differently for a younger child. Complex cases are referred to a specialist eye hospital rather than handled in-store.

Choosing a frame for a child

Children, especially at an active age, need frames that survive bumps and twists without snapping. Flexible plastic is the most durable material available at Manh Long Optical: light, bendable, and less likely to break when a child runs around or drops their glasses, unlike metal or titanium frames, which suit adults better.

Frame size matters as much as material. A frame too large for a child's face tends to slide down while they're writing with their head bent forward, while one too small becomes uncomfortable after a few hours at a school desk. We measure the distance between a child's temples before picking a size, not just their age.

Lenses for nearsighted children

Essilor makes a myopia control lens line designed to help slow the rate a prescription climbs in some children, though it is not a guaranteed way to stop progression entirely in every case. How well it works varies by child, and needs to be tracked through regular checkups to see whether it's actually helping.

To understand one specific line in depth, see our Essilor Stellest guide. For mild or newly discovered nearsightedness, an ordinary single-vision lens is still the common choice — getting the prescription right and returning for regular checkups matters more than which lens type is chosen.

Common questions

At what age can a child get an eye test?

Any child old enough for school can be tested in-store. Complex cases, or children too young for a standard test, are referred to a specialist eye hospital.

Are myopia control lenses guaranteed to stop a prescription from climbing?

Not absolutely. This lens line is designed to help slow the rate of progression in some children. How well it works varies case by case and needs to be tracked through regular checkups.

Which frame material suits an active, hyperactive child?

Flexible plastic is the most durable material available, holding up to bending and light impact better than a rigid frame.

Is a children's eye test free at Manh Long Optical?

Yes, eye tests are free for both children and adults, whether or not you end up buying glasses.

Do children's glasses need different maintenance than adults'?

Screws and frame fit should be checked more often, since active kids loosen a frame without noticing. Tightening and adjustment are free for life at Manh Long Optical, so parents can drop in any time glasses feel loose.

Sources

• Myopia Control in Children. American Academy of Ophthalmology on approaches currently recognized as slowing myopia progression in children.
• Blindness and vision impairment. World Health Organization on uncorrected refractive error as a common cause of vision impairment in both children and adults.