Likhalase tsa khale tsa Multicolor GM220203

Ho na le mekhoa ea ho khetha likhalase tsa mahlaseli tsa myopia

Ha lehlabula le fihla, letsatsi le fetohile le bohale, 'me batho ba bangata ba rata ho roala likhalase tsa letsatsi, tse ke keng tsa thibela letsatsi feela ho sireletsa mahlo a bona, empa hape li eketsa feshene ea bona.Batho ba nang le pono e khutšoanyane le bona ba ka roala likhalase tsa letsatsi tsa feshene, empa ba lokela ho khetha joang?Lintlha tse ling mabapi le likhalase tsa myopia ke tsena.

Likhalase tsa mahlo tsa myopia li nkiloe maqepheng a dailoeng a pejana, a sebetsoang le ho dauoa ka ho beha lilense tsa resin ka har'a tharollo ea ho daea ka 80-90 ° C.Melemo ea lilense tse dailoeng ke hore li bonolo ho apara le tse ntle, ho na le mekhoa e mengata, 'me' mala oa lilense o ka khethoa.Bothata ke hore filimi ea ho daea ka kakaretso e hloka ho etsoa ka mokhoa o ikhethileng 'me e ke ke ea nkoa ka ho toba.Ka nako e ts'oanang, ho na le litlhoko tse itseng bakeng sa tekanyo ea myopia le ho kobeha ha likhalase tsa mahlaseli.

Ka nts'etsopele ea mahlale a morao-rao, likhalase tsa myopia joale li hlola mefokolo ea maqephe a dailoeng a pele.Le hoja e sa ntse e lokela ho etsoa ka mokhoa o ikhethileng, litlhoko tsa likhato le li-curve tsa motheo li fetohile haholo, 'me likhalase tsa mahlaseli tsa polarized bakeng sa myopia le tsona li entsoe.Likhalase tsa mahlaseli tsa myopia li tšoana haholo le likhalase tse tloaelehileng ka ponahalo, li ntle ebile li feshene, 'me li loketse maeto.

Mokhoa oa ho khetha likhalase tsa myopia:

1. Foreimi ea likhalase tsa mahlaseli tsa myopic e lokela ho ba nyenyane haholo

Hoa hlokahala ho khetha likhalase tse peli tse nang le selikalikoe se senyenyane sa lilense tsa polarized, e le hore likhalase tsa myopia li be ntle le ho feta.Hangata, ha re roala likhalase tsa mahlaseli, ka lehlakoreng le leng, ke ho thibela myopia le tšireletso ea UV, 'me ka lehlakoreng le leng E lokela ho phutholoha ho apara.Ebang ho phutholohile ho apara ho amana haufi-ufi le boima ba likhalase tsa mahlaseli tsa myopic.

2. Hlooho ea qubu ea likhalase tsa mahlaseli tsa myopia ka ho khetheha e notletsoe ka li-screws

Ka kakaretso, likhalase tsa mahlaseli tsa myopia li entsoe ka foreimi, empa phello ea myopia ha e ntle, hobane ha lense e kenngoa ka foreime ea likhalase tsa mahlaseli, e tla hlahisa tekanyo ea seipone sa daemane, e leng bonolo ho baka ho tsekela le ho hlatsa.Ha u sebelisa likhalase tsa mahlaseli tsa polarized bakeng sa pono e khutšoanyane, ho molemo ho khetha likhalase tsa polarized tse nang le lipalo tse notletsoeng ka screw.

3. Thepa ea likhalase ke ka ho khetheha lakane TR kapa tšepe myopia likhalase tsa letsatsi

'Mala oa likhalase tsa letsatsi tsa TR o batla o khanya ebile o feshene, e leng se etsang hore liaparo li be le mefuta e mengata.Likhalase tsa polarized tsa likhalase tsa myopia tse entsoeng ka boitsebiso bona li tla ba tse ntle le ho phutholoha ho apara.

4. Likhalase tsa mahlaseli tsa myopia tse nang le sefahleho se seholo haholo ha li nahane

Likhalase tse ngata tsa myopia li na le sebaka se seholo se kobehileng, 'me likhalase tse joalo tsa polarized le tsona ha li ntle.Kaha lilense li batla li le tenya, ho bonolo ho ikutloa u tsekela ha u li roala.

Likhalase tsa mahlaseli tsa myopia li tla kenngoa ho ea ka tekanyo ea motho e mong le e mong ea myopia, e ke keng ea etsa hore metsoalle ea myopic e bone ka ho hlaka, empa hape e sireletsa mahlo ho tloha letsatsing le tobileng.E loketse mosebetsi oa ka ntle le ho bapala.