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The Snellen Eye Chart developed in 1862 by Dutch ophthalmologist Hermann Snellen. Interestingly enough, the traditional Snellen eye charts only utilize nine specific letters in the alphabet. Everyone will enjoy this classic Snellen eye chart tie!
The Snellen Eye Chart developed in 1862 by Dutch ophthalmologist Hermann Snellen. Interestingly enough, the traditional Snellen eye charts only utilize nine specific letters in the alphabet. Everyone will enjoy this classic Snellen eye chart tie!