Sin ttulo de diapositiva

1
OPTICAL MODEL OF A LASIK SURGERY OPTIMIZATION OF
VISUAL ACUITY QUALITY BY RAY TRACING ICO UC
Research Development
2
Optical caracterization of the eye -
Personalized Le Grand eye model - Cálculations
lens and posterior corneal radius -
Geometric Ray - Tracing - Size of retinal
image (d ) and magnification (? )
3
Optimization
Topography Pachymetry Refractionn Biometry
DATA
blur circle diameter (d) and magnification
(?)
Automatic variation of anterior corneal radius
4
Visual acuity vs corneal radius in different
pupil diameters
Geometric ray tracing analysis of visual acuity
after lasik J Refract Surg 2001,17
305-309
5
The Flattening Factor

Unexpected corneal flattening after
Lasik. J Refract Surg 2001,17
S180-S186
6
SURGICAL INTERVAL Interval of corneal radius to
be sculpted in the stroma
OPTIMAL INTERVAL Interval of corneal radius
that maximized visual acuity (VA gt ó1)
FLATTENING
CUSTOMIZED SURGICAL CORRECTION
Geometric ray-tracing for design of customized
ablation in LASIK J Refract Surg 2002, 18
S327-S331