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Any adjustment required to perfect the vision is carried out by the digital light delivery device which is designed to deliver the exact dose and profile of light onto the LAL to correct any residual errors.Light adjustability of the lens is based on the principles of photochemistry and diffusion whereby components incorporated into the lens matrix are photopolymerised on exposure to the UV light.More than one adjustment is possible if required before the lens is ‘locked’.It will never need to be replaced and will last forever.This means that the light affects the macromers to cause very specific swelling or thinning of the lens implant changing the focus to give the patient the best vision possible for their eye.The process takes less than 2 minutes and can be repeated for further adjustment if required.
Light Adjustable Lens Results The digital light delivery device calculates the strength and angle of light to make the adjustment to the lens.
This is accomplished by adjusting the lens implant after surgery by the safe and non-invasive application of ultraviolet light controlled by a sophisticated computer system.
The lens adjustment is so predictable that it is possible to give patients 20/20 normal vision without glasses in healthy eyes.
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What is the Light Adjustable Lens The Light Adjustable Lens is probably the greatest leap forward in lens implant technology since the first implant was used almost exactly 60 years ago.This lens is transparent and flexible becoming thicker and thinner to focus near and far.In our early forties it loses this ability and becomes more rigid so we need reading glasses to see close, a condition called presbyopia.When this light is shone into the eye the macromers link together in a very controlled and specific way called photopolymerisation.