Vatsinhanisi vekutarisira Kugadzikana uye Kushaya Ruvara
Apo vanhu vazhinji vanofunga nezvekubatana kwema-lenses, vanofunga nezvavo semashandisi anoshandiswa kuvandudza maonero avo. Asi mabhiiro anoshandiswa anoshandiswa pane zvinopfuura kururamisa maonero: dzimwe nguva shandisa lens rinoshandiswa kurapa kana kutarisira zvirwere zvemaziso nekusawirirana. Vanachiremba vanowanzotaurira lenzi idzi sevashandi-vanoshandisa mazita. Aya majekensi akaenzana akafananidzwa nenzira yakafanana neyekushandiswa kwema-lens, asi anowanzoitwa nezvinhu zvakasiyana.
Nzira mbiri vanachiremba vari kushandisa mashizha emagetsi vanosanganisira mararamiro ekugumburwa kwehuputi uye kuvandudzwa kwemavara asina kukwana.
Vatsinhanisi uye Epileptic Kugumburwa
Kunzwisiswa kwechiedza kunogona kuva dambudziko guru kune vanhu vanotambura nehutupa . Chiedza chakajeka chinogona kukonzera kushungurudzika kukuru kana munhu ari pangozi yekudzikama, uye magirazi ezuva ose haasi anobatsira uye anogona kunge akaoma kupfeka mumba.
Asi zvidzidzo zvakaratidza kuti ruvara rwebhuruu-tinted contact lenses rinogona kubatsira kuderedza photoparoxysmal kana kuti mifananidzo inogadzirisa mhinduro yekuti vamwe vane chirwere chekufa vane. Mhinduro ye photoparoxysmal inotsanangura kushanda kweuropi kusina kunaka kunounza mhinduro kune chiedza chinokurudzira, kupenya kwechiedza, kana kuti magetsi anokonzera kukanganisa. Benzi rebhuruu rinoratidzika kuti rinoshanda kupfuura mamwe mavara. Ikambani ine ophthalmic inonzi Zeiss inobereka lenzi inonzi Z1 iyo inoshanda chaizvo pakugadzirisa mhinduro iyi.
Masayendisiti vari kutsvaga kuti ndeupi rudzi rwevevelength inofanira kudzivirirwa kuti kuderedze marudzi aya evanhu vasina kugadzirisa. Mune rumwe ruzivo, mwana wemakore maviri ane chirwere chakakomba uye kukanganisa kunogona kunge kunotyisa-kufanana nemisungo inoputika uye inobhururuka pamwe nekuputika uye kufamba kwemapapiro. Masayendisiti akaedza mavarai akasiyana-siyana akazora uye akawana kuti mamwe mavarai akavhara maitiro akawanda akavhara akawanda ekugumburwa.
Zvidzidzo zvavo zvinoratidza kuti mamwe masero ari mu retina anogona kudziviswa kuti aderedze kugumburwa.
Vatsinhanisi uye Kushayiwa Kwemavara
Tinted contact lens akave akaratidzwawo kubatsira vanhu vane ruvara ruvara . Kunyange zvazvo ruvara rwechokwadi hupofu husingawanzoitiki, vanhu vakawanda vanotambura nekusakwana kwemavara. Nekushaiwa kwemavara, mavara akasiyana anowanikwa asi anowanzovhiringidzwa.
Muna 1974, yakawanikwa kuti mutsvuku kana kuti magenta-mavara ane mavara akaiswa pane ziso risina simba rinowanzoita kuti nguva dzose dzivandudze ruvara rwemavara pamaronda ekuona mavara. Chimwe chezvinhu zvakakurumbira zvinonzi lenzi zvekutsvaga kwakadai ndeye X-Chrome lens, gorosi yakatsvuka, yakaoma, inogadziriswa yakavharidzirwa yakavhara pane ziso risina simba rinoratidzika kuti rinatsiridza ruvara rwemavara mune ruvara rwebhuruu-ruvara ruvara rwakakwana.
Marietta Vision ikambani yakagadzira ChromaGen lens system. Izvi zvinosanganisira lens system inopa mazano akasiyana-siyana nemhando dzakasiyana-siyana uye zvinorema izvo zvinoita kuti chiremba asarudze humwe hutano hunogona kubudirira kune vamwe vanhu. Ikoti inogona kupfekwa nemumwe kana maziso ose, uye zvinyorwa zvinowanikwa mumagenta, pink, violet, yellow, aqua, machungwa uye zvinyoro. Muna 2001, vatsvakurudzi vakaongorora hurumende iyi mu 14 vane varwere vasina kukwana.
Ikopi haisi kungoita zvishoma nezvishoma kukanganisa mafungiro ekuona mavara asi yakaitawo kuti varwere ivavo vaone kuti vakagadzirisa maonero ehutano hwehutano uye hunovandudzwa basa mumabasa ezuva nezuva anoda ruvara rwemavara.
Zvakakosha kuratidza kuti idzi lenzi hadzidzokeri zvakakwana mavara mavara nenzira ipi zvayo asi panzvimbo iyo inoita kuti vanhu vagosiyanisa mavara anobva kune mamwe mavara uye mavara asi kwete kuchena kwekusarura mavara. Kunyange zvazvo varwere ava vava kukwanisa kusiyanisa mavara avo vaimbova nematambudziko nawo, dzimwe nguva lenzi inogadzira matambudziko matsva nemamwe mavara maviri.
Kunobva:
Szczotka-Flynn, Loretta. Tinted contact lens for treatments-specific treatments. Taura neLens Spectrum, Dec 2012, mapeji 10-11.