AdlensFocuss eyeglasses switch focus with the twist of a dial

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The AdlensFocuss glasses can instantly switch between three levels of magnification(Credit: Ben Coxworth/Gizmag)

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A few years ago, UK-based Adlens developed self-adjustable glasses designed to let those in the developing world dial in their ideal magnification level – no optometrist required. Now the company is bringing the technology to the developed world as an alternative to bifocals. Instead of looking through a different area of the lenses (and tilting your head forward and back) to switch from near to far objects, the magnification of the AdlensFocuss glasses is adjusted by a small dial on the arm.

Like the similarly charitably-focused Eyejusters, the AdlensFocuss glasses incorporate two lenses for each eye. In this case, the wearer's prescription lens is located in the front, while a deformable lens is placed behind it, with a layer of clear silicone oil sandwiched in between.

Manipulating a small dial on the inside of the temple arm squeezes the lenses together or pushes them apart, altering the magnification rate. This allows the glasses to instantly switch between three different settings – distance, mid and reading – that are preset with the user's prescription.

Adlens calls this technology Variable Power Optics (VPO) and says it provides four times the viewing area of the best no-line bifocals, which require the wearer to move their head around to find the focal sweet spot. Putting it simply, the company says its AdlensFocuss glasses provide an experience similar to wearing single vision lenses, but with a much greater focal range.

The company launched its AdlensFocuss eyewear in the US at the start of June and was showing its wares at CE Week in New York this week. The glasses are available in four different frame styles, each of which comes in a choice of six finishes and colors, with prices starting at around US$1,000.

Source: Adlens

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