Lenses ye myopia kune vanhu vakuru

Myopia inobata vana nevakuru. Chikonzero chekuona kusinganzwisisike kwezvinhu zviri kure neziso kutyora kutarisisa kwemwaranzi yechiedza pane retina (nekuda kwesimba rakanyanya refractive remagetsi ekuona).

Muvanhu vane utano hwakanaka, chiedza chechiedza chinoumba mufananidzo chinotarisa pakati pe retina, uye mumyopic vanhu, pamberi payo. Izvi zvinokonzerwa nekuti iyo cornea ine lens inodzosera mwaranzi kupfuura zvakafanira. Pathology inogona kuve yekuzvarwa kana fomu mukati mehupenyu (kukura zvishoma nezvishoma kana nekukurumidza zvakakwana).

Ne myopia, ukuru hweziso reziso hunogona kunge hwakakura kudarika nguva dzose, ipapo iyo inonzi axial myopia inoumbwa. Kana iyo pathology yakabatana nekuwedzera kwekuita kwechiedza-refracting chikamu cheziso, iyi ifomu refractive.

Zvichienderana nekuoma kunosiyaniswa:

• dhigirii isina simba ye myopia - kusvika ku3 diopters;
• pakati - kubva 3,25 kusvika 6,0 diopters;
• inorema - kupfuura 6 diopters.

Zvinokwanisika here kupfeka lens ne myopia?

Kugadziriswa kweLens kunoshandiswa kuvandudza kuona mune chero dhigirii rekukanganisa. Kusanganisira myopia. Chinangwa chikuru chekushandisa lenses ndechekudzikisa simba refractive mukati me optical medium yeziso, kutarisa mufananidzo uri pakati pe retina.

Ndeupi musiyano uripo pakati pemalenzi e myopia uye akajairwa lenzi?

Kugadzirisa chiono mu myopia, vanachiremba vanosarudza minus lenzi. Zvigadzirwa izvi zvine chimiro che concave, mumabikirwo anoratidzwa nechiratidzo "-". Nedhigirii risina simba remyopia, vanokwanisa kugadzirisa maonero ne100%; mumadhigirii akaomarara, vanovandudza zvakanyanya kuona nekudzikisa simba refractive remagetsi ekuitisa chiedza.

Zvakakosha kuti ma diopters emalenzi (simba ravo remaziso) anonyatsoenderana nekugadzirisa kwemaziso. Nokudaro, kusarudzwa kwema lens kunofanira kuitwa chete mushure mekuongorora kwakakwana ne ophthalmologist, instrumental diagnostics. Chiremba achanyora chinyorwa che lenses ane maitiro ese echigadzirwa.

Mukuwedzera kune nhamba ye diopters, zvakakosha kufunga nezve radius ye curvature ye contact lens. Izvo zvinodikanwa kuti kana yakapfekwa, lenzi inodzokorora zvachose chimiro checornea, kana zvisina kudaro inofambisa kana kudzvanya pamatishu.

Kupfeka kunyaradza kunokosha zvakare, saka kukodzera uye kuisa pakati pe cornea kunofanirwa kuverengerwa.

Izvo zvakakosha zvakaenzana kusarudza zvinhu kubva kune iyo lenzi inogadzirwa. Nekunzwa kwemaziso, zvinodikanwa kusarudza zvinyoro zvinyoro biocompatible zvinonyatso nzwikwa nemeso.

Ndeapi lenzi akanakira myopia

Chekutanga pane zvese, iwe unofanirwa kusarudza kuti ndeapi lenzi anoshanda kune myopia - yakaoma kana yakapfava.

Kazhinji, vanachiremba vanokurudzira zvigadzirwa zvinyoro, zviri nyore uye zviri nyore kushandisa, zvinenge zvisinganzwisisi mumaziso. Inogona kugadzirwa kubva ku hydrogel kana silicone hydrogel.

Rigid lenses inogona kushandiswa mumamiriro ezvinhu apo myopia yaiva mhedzisiro yekuumbwa kwekeratoconus kana mamwe ma pathologies ekuona analyzer (corneal deformity). Ivo vane dense muchimiro, havarasikirwe nechimiro chavo kana vakapfeka.

Zvinoenderana nehurongwa hwekutsiva, lenzi dzinoraswa ndidzo dzakanyanya nyore uye dzakachengeteka. Masikati, madhipoziti akasiyana-siyana haana nguva yekuunganidza pamusoro pema lenzi uye tupukanana tunotyisidzira kutsamwa uye kuzvimba kwemaziso kunowedzera. Aya lenzi haadi mhinduro dzakakosha, anoraswa mushure mekubviswa.

Kunewo lenzi dzinoshanduka mushure meimwe nguva - 2 - 4 mavhiki. Izvo zvakachipa, asi zvinoda kucheneswa nguva dzose uye kuuraya utachiona.

Ongororo yevanachiremba nezve lens ye myopia

"Contact lens ndiyo nzira yakasununguka yekugadzirisa myopia," anodaro ophthalmologist Olga Gladkova. - Murwere anogamuchira chiono chakajeka, munda wekuona hauna kuganhurirwa nechimiro chechimiro chechimiro. Malenzi akasununguka kutamba mitambo, kutyaira mota. Asi kana uchishanda pakombiyuta kwenguva yakareba, zvinoda kupiwa magirazi, nekuda kwekuwedzera kwengozi yekuvandudza "dry eye" syndrome.

Mibvunzo nemhinduro dzakakurumbira

Takataura naye ophthalmologist Olga Gladkova nezve sarudzo dzekupfeka lenzi dze myopia, zvinogoneka zvinopesana nekushandiswa kwavo, nguva yekupfeka uye mamwe nuances.