9 Optical, ophthalmic and laboratory instruments, namely, phoropter heads, slit lamps, electronic/digitized space-saving charts, pupilometers, lensmeters, field screeners, field analysers, chart projectors, vision screeners, autorefractors, tonometers, fundus cameras; eyesight test-room furniture, namely, refraction units/combi units; eyesight test-room accessories, namely, trial frames and trial cases; laboratory instruments, namely, edgers, blockers and tracers