ZVINHU ZVAKAITIKA | AKAPEDZA | AKAPEDZISWA | |
STANDARD | CHIONO CHIMWE | 1.49 INDEX | 1.49 INDEX |
1.56 MIDDLE INDEX | 1,56 PAKATI INDEX | ||
1.60/1.67/1.71/1.74 | 1.60/1.67/1.71/1.74 | ||
BIFOCAL | FLAT TOP | FLAT TOP | |
RUND TOP | RUND TOP | ||
ZVIsingaonekwi | KUSAONEKWA | ||
PROGRESSIVE | SHORT CORRIDOR | SHORT CORRIDOR | |
REGULAR CORRIDOR | REGULAR CORRIDOR | ||
CHITSVA CHITSVA 13+4mm | CHITSVA CHITSVA 13+4mm |
● Malenzi Ekuona Mumwe: Chii chinonzi lenzi rekuona kamwe chete?
Kana zvakaoma kutarisa zvinhu zviri pedyo kana zviri kure, maono ega ega anogona kubatsira. Vanogona kubatsira kugadzirisa: Refractive zvikanganiso zve myopia uye presbyopia.
● Multi-focal lenzi:
Kana vanhu vaine dambudziko rekuona rinopfuura rimwe, lenzi dzine mapoinzi akawanda anodiwa. Malenzi aya ane maviri kana anopfuura magwaro ekugadzirisa maonero. Mhinduro dzinosanganisira:
Bifocal lens: Iyi lenzi inogona kukamurwa kuita zvikamu zviviri. Iyo hafu yepamusoro inobatsira kuona zvinhu zviri kure, uye hafu yepasi inobatsira kuona zvinhu zviri pedyo. Bifocals inogona kubatsira vanhu vanopfuura makore makumi mana vanotambura ne presbyopia. Presbyopia iyo inotungamira mukudzikira kunoramba kuripo kwekugona kutarisa kure kure.
Progressive lens: Rudzi urwu rwelenzi ine lenzi ine dhigirii inochinja zvishoma nezvishoma pakati peakasiyana madhigirii, kana inoenderera gradient. Iyo lens zvishoma nezvishoma inouya mukutarisa iwe paunotarisa pasi. Zvakafanana nebifocal magirazi asina mitsetse inooneka mumalenzi. Vamwe vanhu vanoona kuti malenzi anofambira mberi anokonzera kukanganisa kwakawanda kupfuura mamwe marudzi emalenzi. Izvi zvinodaro nekuti yakawanda nzvimbo ye lens inoshandiswa shanduko pakati pemalenzi emasimba akasiyana, uye nzvimbo yekutarisa idiki.
Aya malenzi anobatsira kana uchinetseka kutarisa pazvinhu zviri padyo kana kure. Malenzi ekuona kamwe chete anogona kugadzirisa:
● Myopia.
● Hyperopia.
● Presbyopia.
Magirazi ekuverenga imhando ye-single-vision lens. Kazhinji, vanhu vane presbyopia vanoona zvinhu zviri kure zvakajeka asi vane dambudziko rekuona mazwi pavanenge vachiverenga. Kuverengera magirazi kunogona kubatsira. Iwe unogona kazhinji kuvatenga pamusoro pekaunda kuchitoro chemishonga kana chitoro chemabhuku, asi iwe unowana iyo lenzi ine chokwadi kana ukaona mupi wehutano kuti anyore. Pamusoro pevaverengi vaverengi havabatsiri kana maziso ekurudyi nekuruboshwe ane mishonga yakasiyana. Usati waedza kushandisa vaverengi, tanga waona nyanzvi yako yekuchengeta maziso kuti uve nechokwadi chekuti unogona kuzvishandisa zvisina njodzi.
Kana uine dambudziko rekuona rinopfuura rimwe, ungangoda magirazi ane multifocal lenzi. Malenzi aya ane maviri kana anopfuura maregisheni ekugadzirisa kuona. Mubatsiri wako achakurukura zvaunosarudza newe. Sarudzo dzinosanganisira:
✔ Bifocals: Aya lenzi ndiwo anonyanya kuzivikanwa mhando yeakawanda. Iyo lenzi ine zvikamu zviviri. Chikamu chepamusoro chinokubatsira kuona zvinhu zviri kure, uye chikamu chepasi chinoita kuti ukwanise kuona zvinhu zviri pedyo. Bifocals inogona kubatsira vanhu vanopfuura makore makumi mana vane presbyopia, izvo zvinokonzeresa kuderera kwekugona kwako kutarisa pedyo.
✔ Trifocals: Aya magirazi emaziso ane bifocal ane chikamu chechitatu. Chikamu chechitatu chinobatsira vanhu vane dambudziko rekuona zvinhu zviri pedyo nekusvika neruoko.
✔ Inofambira mberi: Iyi mhando yelenzi ine lenzi yakarerekera, kana inoenderera gradient, pakati pemasimba akasiyana. Iyo lenzi inotarisa zvishoma nezvishoma padyo paunotarisa pasi kuburikidza nayo. Zvakafanana ne bifocals kana trifocals isina mitsara inooneka mumalenzi. Vamwe vanhu vanoona kuti lenzi dzinofambira mberi dzinokonzera kukanganisa kwakawanda kupfuura mamwe marudzi. Imhaka yekuti nzvimbo yakawanda yelenzi inoshandiswa pakushandura pakati pemhando dzakasiyana dzemalenzi. Nzvimbo dzakatariswa idiki.
✔ Magirazi emakombuta: Aya malenzi akawanda ane gadziriso yakanyatsogadzirirwa vanhu vanoda kutarisa pamakomputa skrini. Vanokubatsira kuti udzivise dambudziko reziso.