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How the AcrySof^® IQ ReSTOR^® IOL Works

Apodized diffractive optics for a full range of vision

In the healthy eye, the lens flexes to focus on objects at varying distances. The AcrySof^® IQ ReSTOR^® IOL was designed to provide a complete range of vision independent of the ciliary muscle body. To achieve this, the AcrySof^® IQ ReSTOR^® IOL combines the functions of both apodized diffractive and refractive regions.

Apodized Diffractive

The apodized diffractive optics are found within the central 3.6 mm optic zone of the lens. This area comprises 12 concentric steps of gradually decreasing (1.3-0.2 microns) step heights that allocate energy based on lighting conditions and activity, creating a full range of quality vision – near to distant.

Refractive

The refractive region of the optic surrounds the apodized diffractive region. This area directs light to a distance focal point for larger pupil diameter, and is dedicated to distance vision.

Apodization for minimal visual disturbances

The AcrySof^® IQ ReSTOR^® IOL gives cataract patients a better chance of leaving glasses behind, because it is the only one with patented¹ apodized diffractive technology.

Apodization is the gradual reduction or blending of diffractive step heights. This unique technology optimally distributes the appropriate amount of light to near and distant focal points, regardless of the lighting situation.

The apodized diffractive optic of the AcrySof^® IQ ReSTOR^® IOL is designed to improve image quality while minimizing visual disturbances compared to prior multifocal technologies². The result is an increased range of quality vision that delivers a high level of spectacle freedom.³

+3.0 D add power for true performance at all distances⁴

The AcrySof^® IQ ReSTOR^® IOL +3.0 D (SN6AD1) incorporates a +3.0 diopter correction at the lenticular plane (approximately +2.5 D at the spectacle plane), for improved intermediate vision over the original AcrySof® IQ ReSTOR® IOL +4.0 D (SN6AD3), with similar near and distance visual acuity.

U.S. Patent No. 5,699,142
AcrySof^® IQ ReSTOR^® IOL clinical trial data as submitted to the FDA.
Based on clinical study results submitted to FDA (models SA60D3 and MA60D3). Bilateral cataract surgery. See package insert.
AcrySof^® IQ ReSTOR® IOL Package Insert.

AcrySof^® IQ ReSTOR^® IOL step heights are smaller than a human hair or a red blood cell. For example, the thickness of a human hair is equal to 60 microns, and a red blood cell is equal to 7 microns.

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CAUTION: Federal law restricts this device to sale by or on the order of a physician.

INDICATIONS: The AcrySof® IQ ReSTOR® Apodized Diffractive Optic Posterior Chamber Intraocular Lens (IOL) is intended for primary implantation for the visual correction of aphakia secondary to removal of a cataractous lens in adult patients with and without presbyopia, who desire near, intermediate and distance vision with increased spectacle independence. The lens is intended to be placed in the capsular bag.

WARNINGS: Careful preoperative evaluation and sound clinical judgment should be used by the surgeon to decide the risk/benefit ratio before implanting a lens in a patient with any of the conditions described in the Physician Labeling. Some adverse reactions that have been associated with the implantation of intraocular lenses are: hypopyon, intraocular infection, acute corneal decompensation, macular edema, pupillary block, retinal detachment, and secondary surgical intervention (including but not limited to lens repositioning, biometry error, visual disturbances or patient dissatisfaction). As a result of the multifocality, some visual effects (halos or radial lines around point sources of light at night) may also be expected due to the superposition of focused and unfocused multiple images. A reduction in contrast sensitivity may also be experienced by some patients, especially in low lighting conditions such as driving at night. In order to achieve optimal visual performance with this lens, emmetropia must be targeted. Patients with significant preoperative or expected postoperative astigmatism >1.0D may not achieve optimal visual outcomes. Care should be taken to achieve IOL centration, as lens decentration may result in a patient experiencing visual disturbances under certain lighting conditions.

PRECAUTIONS: Do not resterilize. Do not store over 45° C. Use only sterile irrigating solutions such as BSS® or BSS PLUS® Sterile Intraocular Irrigating Solution. Clinical studies with the AcrySof® IQ ReSTOR® IOL indicated that posterior capsule opacification (PCO), when present, developed earlier into clinically significant PCO. Studies have shown that color vision discrimination is not adversely affected in individuals with the AcrySof® Natural IOL and normal color vision. The effect on vision of the AcrySof® Natural IOL in subjects with hereditary color vision defects and acquired color vision defects secondary to ocular disease (e.g., glaucoma, diabetic retinopathy, chronic uveitis, and other retinal or optic nerve diseases) has not been studied. The long-term effects of filtering blue light and the clinical efficacy of that filtering on the retina have not been conclusively established.

ATTENTION: Reference the Physician Labeling/Directions for Use for a complete listing of indications, warnings and precautions.

How the AcrySof® IQ ReSTOR® IOL Works