How are progressive lenses made?
Let’s learn how are progressive lenses made. The most accurate or helpful solution is served by answers.yahoo.com.
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What is the secret behind the progressive lens? I recently had made one. ... How are progressive lenses made? What is the secret behind the progressive lens?
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Answer:
Lens powers are checked in a machine called a vertometer. The machine we use gives a digital readout...
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I mean, it's not like they have a lot of space to work with. How do they manage to get the prescrption right? And why does it hurt when I put one in the wrong eye?
Answer:
Encyclopedia - Contact Lenses When were contact lenses developed? What types of lenses are available...
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Answer:
Contact lenses are made from a synthetic material that is safe for the eye. After an individual's vision...
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Answer:
Lenses made from polycarbonate, the same type of plastic used for the space shuttle windshield, are...
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Answer:
The first contact lenses were made of glass, which caused eye irritation, and were not wearable for...
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Answer:
The optometrist determines what degree of correction your eyes require and the geometry of the lenses...
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Answer:
A lathe turned contact lens is cut and polished on a CNC lathe. The lens starts out as a cylindrical...
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Answer:
Optical glass is supplied to the lens manufacturer typically in the form of a pressed plate or sliced...
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