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How do pinhole glasses work?
How to choose the right pinhole glasses?
Hexagonal Pinhole Glasses of Spanish manufacture.
Small Hole Glasses are characterized by their smaller sized holes.
Glasses of acetato with fine and conical holes.
Pinhole acetato glases with small pyramidal holes.
All pinhole glasses valid to see both near and far and also if you have blurred vision. Pinhole Glasses are chosen based on the prescription and regardless of the symptom for which they are to be used.