Description
The HOYA TORIC IOL, including the Vivinex™ Toric models XY1A/XY1A-SP and NS60YT, is a specialized intraocular lens designed by Hoya Surgical Optics for use in cataract surgery. These lenses are crafted to correct corneal astigmatism, providing enhanced visual outcomes for patients with this condition.
Advanced Material
- Glistening-Free Hydrophobic Acrylic: Ensures clarity and longevity.
- Integrated UV and Blue Light Filter: Offers protection against harmful light exposure.
Optic and Haptic Design
- Biconvex Optic with Aspheric Design: Improves visual performance by compensating for corneal spherical aberration.
- Textured Edge and Toric Design: Enhances stability and alignment within the eye.
- Anchor Wing-Haptics (NS60YT): Provides secure fixation in the capsular bag.
Dimensions and Power Range
- Optic Diameter: 6.00 mm
- Overall Length: 13.00 mm
- Spherical Power: +10.00 D to +30.00 D
- Cylinder Power: Ranges from 1.00 D to 6.00 D, tailored for precise astigmatism correction.
Injector System
The preloaded Vivinex™ iSert® or multiSert™ injector system facilitates consistent lens delivery through a recommended incision size of 2.20 mm. This system includes axis orientation marks for accurate toric alignment.
Clinical Performance
Rotational Stability
- Median Rotation: 1.1°
- Post-Operative Stability: 100% of lenses exhibit ≤5° rotation up to 6 months post-surgery.
Visual Outcomes
- Astigmatism Correction Efficacy: 90% of eyes achieve a visual acuity of 0.1 logMAR or better at 6 months.
- Long-Term Stability: Visual acuity remains consistent up to 12 months.
Posterior Capsule Opacification (PCO)
The lens design, featuring active oxygen processing and a smooth surface, aims to minimize PCO, enhancing long-term clarity.
Additional Features
- Cylinder Power Calculation: Supported by the HOYA Toric Calculator using the Abulafia–Koch Regression formula.
- CE Marked: Complies with European health, safety, and environmental protection standards.
Indications
The HOYA TORIC IOL is intended for healthcare professionals performing cataract surgery on patients with pre-existing corneal astigmatism. Comprehensive instructions and contraindications are provided in the product's Instructions For Use.
