الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Abstract
Although using laser for correction of vision has reached a high degree of affectivity and safety. It cannot correct all errors of refraction especially higher order aberrations, which need many diagnostic techniques to be accurately measured.
Customized corneal ablation using wave front technology and corneal topography can treat all refractive errors of the entire eye including higher order aberration but with some limitations and disadvantages.