Fig 1.
Standard measurements for a human eye used in the simulations.
Anterior segment dimensions employed in the simulations and the phakic lens implanted: ICL (A), ICL vault 800 μm (B, note the anterior displacement of the lens), Artiflex (C) and normal eye without a phakic intraocular lens (D).
Table 1.
Variables included in the numerical simulation based on standard values for an adult human eye and implantable collamer lens (ICL) and Artiflex lens measurements.
Fig 2.
Streamlines of aqueous humor in the 12 scenarios modelled depending on the type of lens implanted (ICL, Artiflex or normal PIOL-free eye), pupil diameter (PD 3.5 to 5.5 mm), ICL vault (V 100, 350, 800) and number of iridotomies (1 or 2 for Artiflex).
The colour represents the velocity magnitude.
Fig 3.
Wall shear stress on the corneal endothelium produced by aqueous humor flow through the central hole (ICL) or iridotomy (Artiflex) according to pupil diameter (PD = 3.5 to 5.5 mm), ICL vault (V = 100, 350, 800) and number of Artiflex iridotomies (1 or 2).
Fig 4.
Velocity contours of AH flow through the central hole (ICL) or iridotomy (Artiflex) in the vertical plane according to pupil diameter (PD = 3.5 to 5.5 mm), ICL vault (V = 100, 350, 800) and number of Artiflex iridotomies (1 or 2).
Fig 5.
Pressure contours in the anterior segment through the central hole (ICL) or iridotomy (Artiflex) in the vertical plane according to pupil diameter (PD = 3.5 to 5.5 mm), ICL vault (V = 100, 350, 800) and number of Artiflex iridotomies (1 or 2).
Fig 6.
Wall shear stress on the crystalline lens produced by aqueous humor flow through the central hole (ICL) or iridotomy (Artiflex) according to pupil diameter (PD = 3.5 to 5.5 mm), ICL vault (V = 100, 350, 800) and number of Artiflex iridotomies (1 or 2).
Fig 7.
Velocity contours of aqueous humor flow in the vertical plane passing through an iridotomy at 6 o’clock from the anterior to the posterior chamber for the large (left) and small (right) crystalline-to-iris distance.
Table 2.
Aqueous humor volume and Wall shear stress (WSS) produced on the endothelium and crystalline lens for the 14 scenarios modelled according to pupil diameter and the phakic intraocular lens (PIOL) implanted (Implantable collamer lens, ICL; Artiflex; or normal PIOL-free eye) in an open eye (taking into account the convection).
Table 3.
Aqueous humor volume and Wall shear stress (WSS) on the endothelium and crystalline lens for the 14 scenarios modelled according to pupil diameter and the phakic intraocular lens (PIOL) implanted (Implantable collamer lens, ICL; Artiflex; or normal PIOL-free eye) in a closed eye (without convection).