Lenses yekuona kure kune vanhu vakuru

Kunyangwe kuonana lenzi kunoda kutarisirwa zvakanyanya kupfuura magirazi, vanhu vazhinji vanonyanya kusununguka kushandisa maconta lenzi. Asi iwe unofanirwa kusarudza zvigadzirwa zvakanaka kuti zvisakonzerese kukuvadza uye zviri nyore kushandisa.

Zvinoita here kupfeka lenzi nekuona kure

Hongu, nekuona kure, kururamisa kuonana kunoshandiswa zvakanyanya nhasi, zvichibatsira kugadzirisa simba rekuona remaziso, kuderedza kuoma kwe hypermetropia. Neichi pathology, mwenje wechiedza, kana uchipfuura nepakati pe cornea uye lens, hauna kutariswa kwete pane retina pachayo, asi kumashure kwayo, saka, chete zvinhu zviri kure zvinogona kuoneka zvakajeka, uye zvinhu zvepedyo zvinoonekwa zvisina fuzzy, blurry. Naizvozvo, kururamisa kuona zviri kure, pamwe malenzi anoshandiswa, ayo anobvumidza iwe kutarisisa mwaranzi pane retina.

Zvisinei, nemwero wakapfava wokuona zviri mberi, kururamisa lenzi hakukurudzirwi, vanachiremba vanowanzoraira madonhwe anokosha emaziso, kugadzirira mavhitamini ane antioxidants, uye kurovedza maziso kuvandudza kuona. Chisarudzo chekupedzisira pamusoro pekugadzirisa sarudzo chinofanira kugara chiri nachiremba.

Ndeapi lenzi akanakira kuona zviri kure?

Nekuona zviri pakati nepakati uye kwakasimba, kururamisa kunoshandiswa nekuona lenzi akagadzirwa nesilicone kana hydrogel. Iwo akapfava, akasununguka kupfeka uye ari nyore kutarisira. Rigid lenses akagadzirwa nepolymer zvinhu haawanzo kushandiswa nhasi.

Ndeupi rudzi rwekugadzirisa lens ruchave rwakakodzera mune imwe neimwe mamiriro ezvinhu, zvakakosha kusarudza pamwe chete neophthalmologist. Rigid lenses ane akati wandei mabhenefiti, sezvo ivo vanogadzirwa maererano nehukuru hwemunhu cornea, tichifunga nezvese zvingangoita nuances yekuchinja muchiratidzo chemurwere. Anogona kushandiswa kwemwedzi mitanhatu pasina kutsiva (chero bedzi achichengetwa zvizere), asi vanhu vazhinji vanogona kusanzwa zvakanaka pavanenge vakapfeka lenzi idzi, zvinotonyanya kuoma kuti vajairirwe.

Malenzi akapfava anoonekwa akanyanya kugadzikana kupfeka, nekuda kwesarudzo yakakura, unogona kusarudza sarudzo dzemalenzi kugadzirisa chero dhigirii rekuona kure.

Ndeupi musiyano uripo pakati pemalenzi ekuona kure uye akajairwa lenzi?

Standard contact lens ane yakafanana refractive simba. Asi pamberi pezvakakomba, zvakanyanya pedyo nekukanganiswa kwekuona, zvinodikanwa kushandisa bifocal kana multifocal zvigadzirwa zvine akasiyana refractive simba mune dzimwe nzvimbo dze lens.

Bifocal lenses ine maviri optical nzvimbo, inonyorerwa kune varwere vasina zvimwe zvinosangana nekuona kusagadzikana.

Multifocal lenses inobatsira mukugadzirisa kwekuona kure, iyo inogona kusanganiswa nekuvapo kwe astigmatism kana kuona pedyo. Ivo vane panguva imwe chete akati wandei optical matunhu ane akasiyana refractive simba.

Ongororo yevanachiremba nezve lenses yekuona kure

-Kushandiswa kwekuonana lenzi kwekuona kure muvarwere vadiki kunopa mhedzisiro yakanaka. Kururamisa uku kunobvumirwa zvakanaka uye kunobvumira kuona kwakajeka kana kuchienzaniswa nekugadzirisa zvioni. Asi pamberi pezera re presbyopia, matambudziko anogona kumuka kana uchishandisa kururamisa kwakadaro, - anodaro ophthalmologist Olga Gladkova.

Mibvunzo nemhinduro dzakakurumbira

Takakurukura na ophthalmologist Olga Gladkova nyaya dzekusarudza gadziriso yekuona yekuona kure, yakajekesa mamwe ma nuances ekusarudza uye kupfeka kwezvigadzirwa.