HOYA iSert 251 Monofocal preloaded IOL - Diopter: +6.50 D
Product information
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Description
The HOYA iSert 251 Monofocal Preloaded Intraocular Lens (IOL) is expertly crafted for use in cataract surgery, serving as a replacement for the eye's natural lens. This advanced lens is designed to enhance visual outcomes with its monofocal, aspheric optic, providing clear and precise vision.
Key Features
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Preloaded Injector System: The lens comes preloaded in a single-use, disposable injector system, known as iSert, allowing for controlled delivery through microincisions. This design minimizes handling errors and enhances surgical efficiency.
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Optic Design: The lens features a 6.0 mm biconvex optic with a sharp, square edge to reduce posterior capsule opacification. Its yellow tint provides blue light control and UV protection, while the glistening-free hydrophobic acrylic material ensures long-term clarity.
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Haptic Configuration: The modified C-loop haptic with 5° angulation ensures stable positioning within the eye. The chemically bonded blue PMMA tips contribute to secure in-the-bag fixation.
Technical Specifications
- Dimensions: Overall length of 12.5 mm.
- Power Range: Available from +6.00 to +30.00 diopters in 0.50 D increments.
- A-Constant: Nominal value of 118.4, with optimized constants for various formulas.
Surgical Advantages
The iSert injector system is compatible with 2.4–2.8 mm incisions, reducing surgically induced astigmatism and streamlining the surgical workflow. The lens self-centralizes in the capsular bag, enhancing postoperative outcomes.
Handling Recommendations
Ophthalmic viscoelastic device (OVD) use is recommended, with injection advised within 3 minutes of preparation. Comprehensive handling instructions are provided to ensure optimal results.
Regulatory Approvals
The HOYA iSert 251 is FDA approved and CE marked, available across multiple regions including the USA, Japan, EMEA, and APAC. With over 10 million units implanted worldwide, it boasts a proven track record of clinical success.
Safety and Improvements
Following a precautionary recall between 2011 and 2013, due to rare cases of inflammation linked to trace metallic particulates, significant manufacturing improvements have been implemented, reinforcing the lens's safety and reliability.