METHOD FOR ASTIGMATISM CORRECTION IN PATIENTS WITH THIN CORNEA Russian patent published in 2012 - IPC A61F9/08 

Abstract RU 2456972 C1

FIELD: medicine.

SUBSTANCE: invention refers to medicine, particularly ophthalmology. Considering a degree of astigmatism and patient's age, a nomogram-based topography of corneal incisions is calculated, and a femtosecond laser is programmed that is followed by making corneal incisions referring to the programmed incision parameters with using the femtosecond laser. It is combined with increased the diameter of the corneal incisions by 0.25 mm, decreasing the incision depth by 10% of the corneal thickness in the gicen point, and decreasing the opening angle by 10° as compared with the nomogram parameters presented in Table 1.

EFFECT: method provides reducing risk of postoperative complications and ensuring higher refraction effect of the surgery.

1 dwg, 1 tbl, 2 ex

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RU 2 456 972 C1

Authors

Kostenev Sergej Vladimirovich

Dates

2012-07-27Published

2011-05-24Filed