_{Fektheri ea VR}

Likhalase tsa letsatsi tsa Bifocal - molekane oa hau ea phethahetseng oa pono
Bophelong ba kajeno bo maphathaphathe, ho ba le likhalase tse ka khotsofatsang litlhoko tsa pono e hōle le myopia ntle le pelaelo ke tlhoko e potlakileng ea bareki. Likhalase tsa ho bala letsatsi tsa bifocal tseo re u etselitseng tsona ka hloko ke tsona tseo esale u li batla ka nako e telele.

1. Ikamahanye le seipone se le seng, u se ke ua tšoenyeha ho tloha hōle le haufi
Moralo o ikhethileng oa likhalase tsena tsa letsatsi tse o lumellang hore o fetole ka bolokolohi lipakeng tsa litlhoko tsa pono tse hole le tse haufi, ho sebetsana le liketsahalo tse fapaneng tsa letsatsi le letsatsi le mosebetsi. Tlohela bothata ba ho fetola likhalase khafetsa, ho nolofatsa bophelo le ho ba bonolo haholoanyane.

2. Tšireletso ea mahlo a mahlaseli a letsatsi, a feshene le a sebetsang
Ho kopanya moralo oa likhalase tsa letsatsi, likhalase tsena tsa bifocal ho bala ha li fane feela ka phihlelo e hlakileng ea pono empa hape li hanyetsa ka katleho tšenyo ea mahlaseli a ultraviolet mahlong. E-re u thabele khanya ea letsatsi 'me u sireletse mahlo a hao, u bontše motsoako o phethahetseng oa feshene le mokhoa o sebetsang.

3. E mebala-bala ebile e hlophisitsoe
Ho fihlela litlhoko tsa hau tse ikhethang tsa botle, re fana ka mefuta e fapaneng ea mebala ea foreimi eo u ka khethang ho eona. Re boetse re ts'ehetsa likhalase tsa LOGO tsa makhaola-khang le ho itlhophisa ka ntle ho liphutheloana, ho etsa hore likhalase tsa hau li be tsa botho le ho ba sepheo sa feshene.

4. Ikitlaelletse bokhabane, lintlha li fihlella boleng
E entsoe ka hinge e tenyetsehang ea selemo, likhalase tsena tsa bifocal li fana ka ho lekana hamonate nakong ea ho apara. Lintlha tsohle li bonts'a ho hahamalla boleng ba rona mme li u tlisetsa boiphihlelo bo sa tloaelehang ba ho apara.

5. Tiisetso ea boleng, reka ka kholiseho
Re ts'episa hore lihlahisoa tsohle li entsoe tlhahlobo e tiileng ea boleng e le hore u ka li reka le ho li sebelisa ka kholiseho. Ka nako e ts'oanang, re fana ka ts'ebeletso e felletseng ea kamora thekiso ho rarolla matšoenyeho a hau mabapi le ho reka.

Likhalase tsena tsa ho bala letsatsi tsa bifocal li tla u tlisetsa pono e sa lebelloang bophelong ba hau. Etsa hore lefatše la hau le hlake le ho feta. Nka khato kapele 'me u e etse motsoalle oa hau ea hloahloa oa pono!