With special glasses, baby sees mom for the first time

This is one precious moment you won't soon forget.

A four-month-old baby with a rare vision disorder is now seeing his mother for the very first time.

WATCH: Baby delighted to see parents with her new glasses

Piper, 10 months, was delighted to be able to see her parents when she put on her custom-made glasses for the first time.

Jessica Sinclair/ABC News

Leo's parents say he's normally a happy baby, but the smile they captured on camera the other day was unlike any other they've seen before.

Little Leopold's glasses were specifically made for him out of rubber, with no sharp edges.

He can now get a crystal-clear view of mom and dad, and hopefully he'll give more of these adorable smiles for many years to come.

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