Ukhetho lwetshaneli yelensi eqhubekayo

Izinga lokuthandwa kweefilimu eziqhubekayo kwimimandla ephuhlisiwe njengeYurophu kunye ne-United States idlule i-70%, kwaye iifilimu eziqhubekayo zithatha i-30% yevolumu yokuthengisa, kunye neentengiso zonyaka malunga ne-500 yezigidi.Nangona kunjalo, iifilimu eziqhubela phambili zingaphantsi kwe-3% ezidumileyo kwimarike yaseTshayina okwangoku.Ngokunyuka kwendlela yokuguga e-China kunye nesiganeko se-myopia phakathi kwabaselula, ifilimu eqhubekayo iluncedo kakhulu kwimarike yasekhaya.Masithethe ngokhetho lwetshaneli yefilimu eqhubekayo.

11

1. Yintoni itshaneli ngokuthe ngcembe
Ijelo eliqhubela phambili libhekisa kwisitishi sokutshintsha isidanga apho idigri yomgama kwi-"10" yendawo ekude yelensi yogxininiso oluninzi iqhubeka ikhula kwaye itshintshela kwinqanaba lendawo ekufutshane.

2. Ziziphi iimpawu zobude bomjelo
Ijelo yinkqubo yokunyuka ngokuqhubekayo kwedigri, ngoko xa i-ADD yomthengi izimisele, ubude betshaneli obahlukeneyo bunempembelelo enkulu kuluhlu oluhlukeneyo lwesidanga setshaneli.Uluhlu oluhlukeneyo lomjelo omude luthe tyaba kunolo lwetshaneli emfutshane, kwaye intsimi ebonwayo yendawo nganye ikwahluke.

3. Indlela yokukhetha umjelo oqhubekayo
Ubude besakhelo: Qinisekisa ukuba iiringi zereferensi eziqhubela phambili zikude nakufutshane zingaphakathi koluhlu lobude besakhelo.
Ubungakanani be-ADD: I-ADD≥ + 2.00 ukukhetha umjelo omde ufanelekile, ulandelwa ngumzila ophakathi;Iitshaneli ezimfutshane ezine-ADD≤+1.75 nazo zinokukhethwa.Imigaqo ngokubanzi: Okukhona i-ADD inkulu, kokukhona ijelo kufuneka libe lide.
Ukusetyenziswa: kude nangaphandle, khetha umjelo omde;Uluhlu oluphakathi kunye nolukufutshane lukhetha ikakhulu iitshaneli ezimfutshane kunye neziphakathi.
Isalathiso sesipili sokuqala: Ijelo elitsha eliqhubela phambili likufutshane kangangoko kunokwenzeka kumjelo oqhubela phambili womthengi.
Ukongeza, indlela yomfundi wenqaku ingasetyenziswa, oko kukuthi, ngokulandelelanayo bonisa ixesha elikude kunye nexesha elikufutshane lomfundi ekuxhaseni indawo ebonakalisayo, cacisa ngokuchanekileyo ubude bejelo.
Ubude bejelo elikhethiweyo kufuneka buhlangabezane neemfuno zabathengi abanxibe ngokukhululekileyo, ngakumbi ngokuhambelana nomkhwa wakhe wamehlo.
I-multi-focus progressives ibonelela ngeendlela ezininzi (9, 10,11, 12, 13, 14, 15, 17, njl.) ukwenza ukhetho lwetshaneli lula.

1

Ixesha lokuposa: Oct-10-2022