COLLIAC FORMULA

computer programs for the control and monitoring of keratectomy apparatus and photorefractive keratectomy installation; computer programs for determining the convexity of a cornea, for calculating and determining the power of an artificial crystalline lens

services relating to ophthalmology; namely, making of cornea measures and calculations of optical (ocular) power; services relating to surgical keratectomy operations; namely, making of calculation to determine the convexity of a cornea; services relating to surgical keratectomy operations; namely, making of calculation to determine the optical power of an artificial crystalline lens; services relating to surgical keratectomy operations; namely, surveying and checking of surgical keratectomy operation