Description

The HOYA Vivinex™ Toric Intraocular Lens (IOL) Model XY1AT4 is a specialized lens designed to enhance visual outcomes for patients undergoing cataract surgery with astigmatism. Crafted from hydrophobic acrylic material, this lens offers a glistening-free experience, ensuring long-term clarity. Its advanced design includes both UV and blue light filters, providing comprehensive protection for the eye.

Key Features

• Aspheric Optic Design: The anterior aspheric and posterior toric design aims to improve image quality and provide high rotational stability, crucial for precise visual correction.
• Biconvex Structure: Features a square, thin, and textured edge to minimize posterior capsule opacification (PCO), enhancing long-term performance.
• Active Oxygen Processing: Ensures a smooth surface and sharp edge, contributing to reduced PCO and improved lens stability.

Dimensions and Power

• Optic Diameter: 6.00 mm
• Overall Length: 13.00 mm
• Spherical Power Range: +10.00 to +30.00 D in 0.50 D increments
• Cylinder Power at IOL Plane: 1.00 to 6.00 D (Model T4 at 2.25 D)

Haptic Design

The lens features a textured-rough haptic surface, enhancing its stability within the eye. This design contributes to the lens's clinically proven rotational stability, with studies showing a median rotation of just 1.1° and over 96% of lenses rotating ≤5° up to six months post-surgery.

Injector System

The preloaded multiSert™ injector system facilitates precise lens insertion through a recommended incision size of 2.20 mm. Its adjustable insert shield and dual injection options (single-handed push or two-handed screw) allow for tailored insertion techniques, enhancing surgical outcomes.

Clinical Benefits

• Aspheric Optic Design: Partially compensates for corneal spherical aberration, improving overall visual quality.
• Reduced PCO: The lens's design and material significantly lower PCO scores and Nd:YAG capsulotomy rates compared to other IOLs.

Compatibility

The lens is compatible with various IOL calculation formulas, supported by the HOYA Toric Calculator using the Abulafia-Koch Regression formula. This ensures precise power calculation, tailored to individual patient needs.

Intended Use

The HOYA Vivinex™ Toric IOL XY1AT4 is intended for use by healthcare professionals to correct astigmatism during cataract surgery, offering a reliable and advanced solution for improved patient outcomes.