Page:Popular Science Monthly Volume 89.djvu/350

 Making Artificial Eyes for Blinded Soldiers

����The Artificial Eye Maker First Takes a Tube of Glass, Heats It and Blows It Until a Bubble ot Glass Is Formed at the End. The End of the Bubble Is Then Perforated With a Conical Point As Here Shown. Thus the White of the Artificial Eye Is Formed. The Iris, Appropriately Striated, Is Then Fused to This Bubble

��Blowing a Bubble of Glass. After the Iris Is Made It Is Soldered to the End of the Sclerotic, or the Imitation White of the Eye Which Encloses the Eye Ball. The Whole Is Then Tinted in Exact Similitude to the Natural Eye

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