Scientific and technical design research of optical lenses; scientific and technical design research in the field of ophthalmic optics; scientific research and development, namely, development of measuring methods in the field of ophthalmic optics; scientific research and development, namely, development of calculation methods for the design of optical lenses; scientific and technical research in the field of ophthalmic optics

'calcul':42 'design':4,12,46 'develop':23,25,38,40 'field':16,31,56 'lens':8,49 'measur':27 'method':28,43 'name':24,39 'ophthalm':18,33,58 'optic':7,19,34,48,59 'research':5,13,21,36,53 'scientif':1,9,20,35,50 'technic':3,11,52

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