Hoya iSert® 254 (Clear) & 255 (Yellow)


  • Fully preloaded 100% hydrophobic aspheric 1 piece IOL
  • Simple and easy implantation into the capsular bag
  • Injectable through a 2.2mm incision
  • Full 6mm optic with square edge
  • Aspheric Balanced Curve™ (ABC) Design provides patient with a sharp visual image
  • Consistent, controlled and safeguarded delivery of the IOL
  • 100% hydrophobic

    Acrylic pre-loaded IOL

  • Simple and superior Injector

    Simple and superior ease of use of the injector, through a small 2.2mm incision

  • Proven ABC Design of optic

    Proven ABC Design of optic provides patients with a sharp visual image and the square edge of the optic helps to minimise posterior capsule opacification

Description & Technical Specs

Preloaded, Monoblock, Aspheric,  UV-absorbing IOL (254), Blue Light Absorbing IOL (255)

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)
Nominal A-constant 118.4
Injector iSert® Preloaded IOL System
Front injector tip outer diameter 1.78mm
Optimized constants Haigis a0 = -0.542 a1 = 0.161 a2 = 0.204
Hoffer Q pACD = 5.30
Holladay 1 sf = 1.52
SRK/T A = 118.5
SRK II A = 118.8

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)