METHOD OF MANUFACTURE OF BIOLOGICAL LENSES FROM DONOR CORNEA Russian patent published in 1999 - IPC

FIELD: medicine, in particular, ophthalmology, applicable at refraction keratoplasty. SUBSTANCE: after cutting-off of biological lens in the process of rotation of donor cornea about its optical axis by a knife not less than the diameter of the lens to be manufactured, it is put with the section surface up on a support with a preset radius of curvature. Then a circular cut to a depth calculated by the design formula is made by a trepan, at least 4.5 mm in diameter. EFFECT: enhanced quality, reduced price and simplified process. 4 dwg, 1 ex