The HOYA iSert® 250 (Clear) and 251 (Yellow) intraocular lens is a true Hydrophobic acrylic IOL that is fully preloaded and offers surgeons simplicity and ease of use.
Specifications
Preloaded, Monoblock, Aspheric, Blue Light Absorbing IOL (251), UV-absorbing IOL (250)
| Model names | iSert® 250 (Clear), 251 (Yellow) |
| Optic material | Hydrophobic Acrylic |
| Optic design | Aspheric |
| Manufacturing | Lathe-cut and pad polished |
| Haptic material | Hydrophobic acrylic with blue PMMA chemically bonded haptics tips |
| Haptic Configuration | Modified-C loop |
| Diameter (optic/OAL) | 6.0 mm/12.5 mm |
| Power | +6.0 to +30.0 D (0.5 D steps) |
| Injector | iSert® Preloaded IOL System |
| Front injector tip outer diameter | 1.82mm |
| Nominal A-constant | 118.4 |
| Optimized constants |
Haigis a0 = -0.542 a1 = 0.161 a2 = 0.204 |
The mentioned A-Constant is presented as a guideline only for lens power calculations. It is recommended that the A-Constant measurement be customized based on the surgeon’s experience and measuring equipment.
Optimized Optical constants Source: http://ocusoft.de/ulib/c1.htm (as of Oct. 31, 2016)
