VERDICT
Should I use Childrensvision (Prevent Blindness)?
Free children's eye-health resource and vision-screening certification from the Prevent Blindness nonprofit - childrensvision.preventblindness.org
Worth it. Use it if you want free, authoritative children's eye-health guidance or school-nurse screening certification. Not for anyone expecting actual screening software or a purchasable product, and site-specific evidence is thin.

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