EXTENDED DEPTH OF FOCUS INTRAOCULAR LENS Russian patent published in 2024 - IPC A61F2/16 

Abstract RU 2820775 C1

FIELD: medicine.

SUBSTANCE: intraocular lens comprises front and back optical surfaces. Method of making an intraocular lens comprises steps of (a) simulating a central optical portion having a profile pattern of aspherical optical surfaces; (b) calculating the distribution of refraction efficiencies for light propagating through the simulated central optical part; (c) selecting parameters of the profile of the aspherical optical surfaces according to the calculated distribution of refraction efficiencies in order to achieve the required refraction efficiencies; and (d) forming a simulated central optical portion with selected parameters from the raw biomaterial.

EFFECT: use of this group of inventions will improve the quality of vision at long and medium distances while minimizing side effects.

30 cl, 13 dwg

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RU 2 820 775 C1

Authors

Marcos Celestino, Susana

Dorronsoro Diaz, Carlos

Redzovic, Suad

Pagnoulle, Christophe

Dates

2024-06-10Published

2020-09-10Filed