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Prescriptions for eyeglasses can be measured in even the youngest and most uncooperative children by using a special instrument called a retinoscope which analyzes the light reflected through the pupil from the back of the eye. This instrument is used after children's eyes are dilated with a medication that also inhibits children from focusing their eyes. This allows the doctor to obtain an accurate prescription. The most common side effects from the dilating drops are blurred vision and sensitivity to light until the effects of the drops wear off.
Most lenses for children's eyeglasses are made of polycarbonate lens material, which is stronger and lighter than glass. It is a good idea to request a scratch-resistant coating on children's lenses. Children can be rough with glasses, and plastic lenses scratch easily.
Color tints or tints that respond to changes in light can be incorporated into eyeglass lenses. For children, the tint should not be so dark that the child has trouble seeing indoors. For children who are using Atropine to treat amblyopia, lenses that darken when exposed to sunlight are highly recommended.
Frames come in all shapes and sizes. Choose one that fits comfortably but
securely. There are devices that keep eyeglasses securely in place, a good idea for active children and young children with flat nasal bridges. Cable temples, which wrap around the back of the ears, are good for toddlers. Infants may require a strap across the top and back of the head instead of earpieces. Flexible hinges hold the eyeglasses in position and prevent the side arms from breakage. It is important that the frames fit the child appropriately. Try not to purchase eyeglasses for children to "grow" into since they will be more resistant to wearing these more uncomfortable frames.
Often children do not like wearing their eyeglasses although the prescription is correct. Distraction, positive reinforcement, and incentives can help children develop the habit of wearing their glasses. If all else fails, your pediatric eye doctor can prescribe an eye drop that blurs vision when the glasses are not in place. This often helps overcomes the child's initial resistance to wearing glasses. Children have difficulty describing why they don't like wearing their glasses. Oftentimes, the frame is pinching around the ears or nose and a simple adjustment of the frames by your optician will help with glasses wear.
