H.A.L.T.

Ophthalmic lenses; spectacle lenses, including organic (plastic) lenses, mineral lenses, corrective lenses, progressive lenses, sunglass lenses, polarized lenses, filtering lenses, tinted lenses, colored lenses, light-sensitive lenses, photochromic lenses, treated lenses, coated lenses, anti-reflect

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

Services of opticians, optometrists and other ophthalmic optics professionals; information and advice in the field of ophthalmic optics; information and advice relating to protecting the eyes and sight and to visual correction and comfort.;