i-stream Diffrax

One-piece multifocal diffrax extended depth focus lens with hydrophilic / hydrophobic copolymer preloaded in kit with Medicel injector, with biconvex surface with negative asphericity. Quadrilateral shape with fenestrated haptics.

Data Sheet


Hydrophilic / hydrophobic copolymer with UV filter, biocompatible with eye tissue

Lens Geometry

Multifocal diffrax profile with Extended Depth Focus (EDOF), Square Edge 360 °, no rings

Dioptric Range

from 0.0D to 40.0D with increment of 0,5 from 10.0D to 28.0D

Additional Power

+3.0 D to improve intermediate vision


from 2.0 mm with preloaded injector

Optic Diameter

6.0 mm

Total Diameter

11.0 mm

Sferical Aberration

-0,26 μm


Natural Yellow

Refractive Index


UV Filter

Natural Yellow UV CUT OFF < 2% @420nm

A Costant


Constant with Ulib System

SRK/T = 118,7; SRK/2 = 118,9; Holladay1 sf = 1,60; Holladay2 = 5,374; Barrett = 1,73 HofferQ pACD = 5,39; Haigis a0 = 1,25; a1 = 0,40; a2 = 0,10


Optical disc and haptics without profile discontinuity

Haptic Angulation

5° for a long term better stability in the capsular bag