1.523 Glass Progressive Optical Lens

Ntho e ka sehloohong e tala ea lense ea khalase ke khalase ea optical. Thepa ea phetiso le mochini le lik'hemik'hale tsa lense ea khalase li batla li le ntle, li na le index ea kamehla ea refractive le thepa e tsitsitseng ea 'mele le ea lik'hemik'hale.

Lilense tse tsoelang pele li etsoa motheong oa lilense tsa bifocal. Sekhahla sa tšebeliso Europe le United States se batla se phahame, 'me nako ea ho bapisa Chaena e qalile feela ka lilemo tse ka bang 10. Lense e tsoelang pele e bolela phetoho ea butle-butle lipakeng tsa bolelele ba tse peli tse tsepamisitsoeng ka ho sebelisa theknoloji ea ho bentša phetoho lipakeng tsa bolelele bo holimo le bo tlase, bo bitsoang lense e tsoelang pele. Ho ka boleloa hore lense e tsoelang pele ke lense e nang le lintlha tse ngata. Ha motho ea apereng a shebile lintho tse hōle / tse haufi, ntle le hore a se ke a tlosa likhalase, ho sisinyeha ha pono pakeng tsa bolelele bo ka holimo le bo tlaase ho boetse ho etsahala butle-butle. Ha ho na maikutlo a mokhathala oa hore leihlo le tlameha ho lula le fetola bolelele ba tsepamiso ha le sebelisa mofuta oa tsepamiso tse peli, 'me ha ho na moeli o hlakileng oa ho arola lipakeng tsa bolelele ba tsepamiso tse peli. Phoso e le 'ngoe feela ke hore ho na le libaka tsa tšitiso tsa likhato tse fapaneng mahlakoreng ka bobeli a filimi e tsoelang pele, e tla etsa hore sebaka se potolohileng pono se hlahise maikutlo a ho sesa.