FIELD: medicine.
SUBSTANCE: method involves determining positive coma value described with Zemike Z(3,1) polynomial and integral high order aberration level value of PV OPD HO. If Z(3,1) ≥ 1 mcm and PV OPD HO ≥ 3 mcm, keratoconus is to be diagnosed.
EFFECT: high accuracy of early stage diagnosis.
2 dwg
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