Lefatšeng lena leo ho hlakileng le lerootho li kopantsoeng teng, likhalase li fetohile thuso e matla ea hore batho ba bangata ba bone botle ka ho hlaka. Kajeno, a re tsamaeeng lefatšeng le tsotehang la likhalase 'me re nke leeto la saense la likhalase tse thahasellisang!
01｜Kakaretso ea ntlafatso ea likhalase
Nalane ea likhalase e ka saloa morao ho 1268 AD. Likhalase tsa pele e ne e le lilense tse bonolo feela tse neng li sebelisoa ho thusa maqheku ho bala. Ha nako e ntse e feta, theknoloji e ntse e tsoela pele, 'me mefuta le mesebetsi ea likhalase e ntse e eketseha le ho feta. Ho tloha likhalaseng tsa myopia, likhalase tsa hyperopia ho ea ho likhalase tsa astigmatism, ho tloha likhalase tse khanyang ho ea ho likhalase tse tsoelang pele, ho ntlafatsoa ha likhalase ho ipakile ho phehella ho sa feleng ha moloko oa batho oa ho fumana pono e hlakileng.
02｜ Mefuta ea likhalase
1. Likhalase tsa myopia
Bakeng sa metsoalle ea myopia, likhalase tsa myopia li bohlokoa haholo. E sebelisa molao-motheo oa lilense tsa concave ho etsa setšoantšo sa lintho tse hōle retina, e le hore re ka bona lintho tse hōle ka ho hlaka.
Ka mohlala, liithuti li sheba letlapa ka tlelaseng le basebeletsi ba ofisi ba shebeletse skrine ea ho shebella hole, kaofela ha bona ba hloka thuso ea likhalase tsa myopia.
2. Likhalase tsa hyperopia
Ho fapana le likhalase tsa myopia, likhalase tsa hyperopia li sebelisa lilense tsa convex ho thusa bakuli ba hyperopic ho bona lintho tse haufi ka ho hlaka.
Ka mohlala, ha batho ba hōlileng ba bala libuka le ho lokisa liaparo, likhalase tse bonelang hōle li phetha karolo ea bohlokoa.
3. Likhalase tsa astigmatism
Haeba ho na le bothata ba astigmatism mahlong, likhalase tsa astigmatism li tla ba molemo. E ka lokisa sebōpeho se sa tloaelehang sa thaka ea leihlo 'me ea lebisa leseli ka nepo ho retina.
4. Likhalase tsa letsatsi
Hase feela ntho ea feshene, empa hape le sebetsa sa ho sireletsa mahlo ho senya ultraviolet.
Ha u tsamaea le mesebetsi ea ka ntle lehlabula, ho roala likhalase tsa letsatsi ho ka fokotsa ka katleho tšenyo ea mahlaseli a ultraviolet mahlong.
3｜ Mokhoa oa ho khetha likhalase
1. Optometry e nepahetseng
Ena ke mohato oa pele oa bohlokoa ka ho fetisisa. E-ea lebenkeleng la litsebi tsa mahlo kapa sepetlele bakeng sa optometry ho fumana lintlha tse nepahetseng tsa pono.
Nakong ea phomolo ea lehlabula, Clairvoyance Optical Shop e fana ka litšebeletso tsa mahala tsa mahlo bakeng sa motho e mong le e mong.
2. Nahana ka thepa ea foreimi
Ho na le likhetho tse ngata tse kang tšepe, polasetiki le poleiti, tse lokelang ho khethoa ho latela boiketlo, botle le boleng ba letlalo la motho.
3. Sebopeho sa foreimi
Khetha ho ea ka sebopeho sa sefahleho, mohlala, sefahleho se chitja se loketse foreimi ea lisekoere, 'me sefahleho sa lisekoere se loketse foreimi e chitja.
04｜Ho hlokomela le ho hlokomela likhalase
1. Ho hloekisa kamehla
Sebelisa lesela le khethehileng la likhalase ho hlakola ka bonolo le ho qoba ho sebelisa lintho tse mahoashe ho hlakola lilense.
2. Polokelo e nepahetseng
Qoba ho kopana pakeng tsa lilense le lintho tse thata ho thibela mengoapo.
Ka bokhutšoanyane, likhalase hase feela sesebelisoa sa ho lokisa pono, empa hape ke molekane ea molemo bophelong ba rona. Ke tšepa hore ka saense ea kajeno e tsebahalang, motho e mong le e mong a ka ba le kutloisiso e tebileng ea likhalase.
A re sebeliseng pono e hlakileng ho ananela lefatše lena le letle le mebala-bala hammoho!
Haeba u batla ho tseba haholoanyane ka mekhoa ea feshene ea likhalase le lipuisano tsa indasteri, ka kopo etela sebaka sa rona sa Marang-rang 'me u ikopanye le rona neng kapa neng.
Nako ea poso: Sep-23-2024