Premium Lens Implant Eye Laser Surgery Perth

Perth Laser Vision was among the first in Australia to receive the AcrySof IQ ReSTOR intraocular lens implant (IOL), a revolutionary surgically implanted lens that results in patients ability to see more clearly at a wider range of distances without glasses or contacts.

Acrysof-logoAcrySof IQ ReSTOR Lens Implant Eye Laser Surgery

The AcrySof IQ ReSTOR lens is designed to enhance contrast sensitivity, reduce dependency on glasses, and improve functional vision. The lens offers multiple advantages over traditional intraocular lens implants:

  • Provides better vision for near and far distances.
  • Improved contrast sensitivity.
  • Filters harmful UV and blue light.
  • Rich, vibrant colour perception.

It’s a huge evolutionary step. This for of eye laser surgery reduces the need for reading glasses after cataract removal, without compromising distance vision, has been a goal of ophthalmology for many years. Until now, the vast majority of patients who undergo cataract eye laser surgery received a single-vision lens implant, which typically requires them to carry around reading glasses so they can read a newspaper, menu or medicine bottle, or do other things that require close vision.

Acrysof-IQ-restor-lensAspheric Design Advantage

Traditional lens implants are spherical, producing some peripheral distortion. AcrySof IQ ReSTOR lens is slightly flatter in the periphery and are designed to provide sharper focus and better contrast.

The AcrySof IQ ReSTOR lens is a permanent artificial lens used to replace the natural lens during cataract eye laser surgery. The ReSTOR lens is made of a soft plastic. It is folded and inserted into the eye through a tiny incision around 2mm across. After insertion, the lens gently unfolds to “ReSTOR” vision. The supporting arms of the lens maintain proper positioning within the eye.

Meeting the Challenge of Presbyopia With Eye Laser Surgery

The ability to focus at various distances is called “accommodation”, and is the normal condition of a youthful natural lens. However, as we age, this lens becomes more rigid and our ability to accommodate diminishes, usually starting around the age of forty. This inability to accommodate is called presbyopia. Presbyopia is the reason that reading glasses or bifocals are required as we age.

Aging also causes the eye’s natural lens to become more opaque, which scatters light and creates cloudy vision. The opaque lens is called a cataract. Traditionally, when a cataract develops, the natural lens inside the eye is replaced with an artificial lens. Standard Intra-Ocular Lenses (IOL’s) are single-vision lenses, which allow good vision without glasses for one distance only, usually for distance. Glasses would still be needed for near vision.

Restor-lensReSTOR Intra-Ocular Lens Implant – An Entirely Unique Design

The ReSTOR lens has an uniquely shaped optic, called “apodization,” that is entirely new to the field of ophthalmology. The AcrySof IQ ReSTOR represents breakthrough technology because it treats the refractive problem of presbyopia. It delivers consistent high-quality accommodative-like vision across the entire visual spectrum due to its patented apodized design.

While other “accommodative” IOL’s have attempted to produce vision at various ranges by depending on the action of the older eye’s ciliary muscles to produce accommodation, the ReSTOR lens inserted during this type of eye laser surgery responds to how wide or small the eye’s pupil is to distribute light between near and far vision. Having both “refractive” and “diffractive” surfaces, the ReSTOR lens works like two lenses in one. The refractive surface is for distance and the diffractive surface is for near. This amazing combination renders a lens implant that is not dependent on the movement of the lens, making visual outcomes more highly predictable.

Apodization is the gradual tapering of the diffractive steps (illustrated below) from the centre to the outside edge of a lens. This unique design optimally manages light energy delivered to the retina because it distributes the appropriate amount of light to near and distant focal points, regardless of the lighting situation. Apodized diffractive optics are designed to improve image quality while minimizing visual disturbances. The result is an increased range of quality vision that delivers a high level of spectacle freedom.

Diffraction involves the diffusing or bending of light to multiple focal points as it passes through the lens. The centre diffractive area of the ReSTOR supports near vision. The centre of the lens surface consists of an “apodized” diffractive optic, a series of tiny steps in that centre area working together to focus light for a seamless transition of near through distance vision.

Refraction involves the redirection of light passing through the lens, to a single focus point on the retina. The outer ring of the ReSTOR is the refractive area that surrounds the apodized diffractive region and is what allows you to experience distance vision.

Previous attempts using various multifocal lenses often resulted in significant haloes and reduced contrast sensitivity in low light conditions. These issues are rarely a problem with the new Aspheric ReStor lens. Additionally, unlike monovision with monofocal implants; there is no loss of depth perception since both eyes are set equally. Reading ability, even for fine print, is markedly improved with the ReSTOR.

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