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The future of eyeglasses, part 3

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In parts one and two, we looked at Google Glass and other styles of futuristic glasses that act as mini computers, or that auto-focus vision from distance to intermediate to near.

However, along with the exorbitant cost, there’s another problem with auto-focusing eyeglasses: Most eyeglasses wearers also have an astigmatism, which makes everything blurry if it’s not corrected. This is something auto-focus eyeglasses cannot do.

People with astigmatism may not benefit from eyeglasses 2.0, but those with colorblindness may.

EnChroma glasses use a coating on the eyeglass lenses to make red and green objects pop. But you’re looking at spending more than $500 for a pair.

The Oxy-Iso version of the O2Amps also decreases the red / green deficiency that plagues the colorblind.

Those with more intense blindness than colorblindness, people whose vision has been diminished by macular degeneration, could regain some sight with eyeglasses that are being developed by English researchers at Oxford and Cambridge.

These glasses use light-embedded lenses that create outlines of objects facing the wearer. The glasses contain tiny cameras and computers that can read the expressions of people the wearer is looking at, sending a green or red signal to the wearer, invisible to the other person, indicating whether that person’s expression is positive or negative.

But there’s no telling whether the expression of a poker-faced person could be read with these glasses, unlike the blood-flow-detecting pair.

How would you like to make your glasses at home?

You’ve probably heard about people making guns with 3-D printers. Well, a Dutch company is working on developing eyeglasses with prescription lenses that can be made in a 3-D printer. The lenses will need no subsequent polishing, grinding or tinting.

There are other forms of eyeglasses that are newly being offered or are in development that don't correct the wearer's eyesight, but are just for fun. You can read about those in part four.

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