Iwe zvichida wakasangana nomumwe munhu akazviti akaremara pamutemo kana kuti akanzwa kana kuverenga izwi pane imwe nzvimbo. Kunyange zvazvo zvingaita sezvisinganzwisisiki kutaura nezvehutano "mutemo," mapofu ari pamutemo chaizvoizvo anoreva tsanangudzo yehupofu inogamuchirwa nemasangano ehurumende uye vatsigiri vehutano kuti vaone kana mumwe munhu akakodzera kuwana zvimwe zvikomborero.
Dhipatimendi reMotokari, iyo inoda nzira yekuenzanisa kuti vatyairi vanogona kuona sei kuitira kuti migwagwa yedu nemigwagwa zvichengeteke, uye shandisai tsanangudzo iyi.
Maererano neCenters for Disease Control and Prevention, vanhu vanopfuura mamiriyoni 3.3 vane makore makumi maviri nemasere vanopofumadzwa kana kuti vane maonero mashoma. Zvinonyanya kukonzera upofu zvakabatana nezera uye zvinosanganisira macular degeneration, cataracts, glaucoma, uye chirwere cheshuga retinopathy.
Kusiyana neavo vari mapofu zvachose, zvinoreva kuti havagoni kuona chinhu chero chipi zvacho kubva kune rimwe ziso, vanhu vakawanda avo vari mapofu epamutemo vane chiratidzo, maererano neAmerican Foundation for the Blind.
Dhiyabhorosi Tsanangudzo
Kuti uonekwe sepamutemo mapofu, iwe unofanirwa kusangana nechimwe chezvinhu zviviri izvi:
- Maonero ako anoona 20/200 / kana akaipa pane ziso iwe unogona kuona kubva pane zvakanakisisa. Kutarisa maonero kunoreva kuti munhu ari pedyo zvakadini kune chinhu chiri mamita makumi maviri kubva ipapo kuitira kuti uone zviri pachena. Chimiro chinowanikwa chinowanikwa se20/20. Kana iwe waive nemaonero ekuda kwe 20/80, zvinoreva kuti iwe unogona kuona zvakadzama kubva pamamita makumi maviri kubva kune zvakafanana nomunhu ane 20/20, kana kuti zvakasikwa, chiratidzo chinogona kuona kubva pamamita makumi matanhatu kubva ipapo. Munhu akaporeswa pamutemo ane maonero 20/200 aizoda kuva mamita makumi maviri kubva pane chimwe chinhu kuitira kuti aone pamwe chete nemumwe munhu ane maonero 20/20 anogona kuzviona kubva mamita mazana maviri kubva ipapo. Imwe nzira yekuitarisa nayo: Kana mumwe munhu ane maonero 20/20 akanga akamira pedyo nemunhu anenge ari bofu pamutemo, kuitira kuti munhu akapofumadzwa pamutemo ave chinhu chakareba mamita maviri uyewo munhu ane chimiro chakanaka aizoda unofanirwa kusvika sepamwe makumbo makumi maviri.
- Munda wako unoona hausi madigiri makumi maviri. Kana munhu ane nzvimbo yekuona yemadhora makumi maviri chete, anogona kuona zvinhu zviri pamberi pake pasina kutamisa meso kubva kune rumwe rutivi asi haagoni kuona chinhu kune rumwe rutivi. Kusiyana neizvi, nzvimbo inoonekwa yezvidimbu makumi masere inonzi inofananidzwa. Izvo zvakanyanya zvisingatarisirwi maonero emumunda dzimwe nguva zvinonzi tunnel chiratidzo . Zvinowanzoita kuti zvisingakwanisi kutyaira zvakachengeteka.
Kupofumadza kwepamutemo zvakare kunobva pakuona maziso akawanda angagadziriswa. Kana magirazi kana kuti mashizha angangokuvandudza zvauri kuona kusvika 20/200 kana kuti zvakanyanya, iwe unokodzera tsananguro yepamutemo mapofu.
Kurarama Nemapofu
Kurasikirwa nekwanisi kuona kunogona kutyisa, asi hazvifaniri kupedza kukwanisa kwako kurarama hupenyu hwako. Kune zvakawanda zvishandiso uye zvigadzirwa zvevanhu vane mapofu epamutemo-kubva kumakona uye vachitaurirana vachitora mapikisi-uchapupu uye mapurogiramu chaiwo emakombiyuta.
Kunyange Amazon inotengesa zvinhu zvakagadzirirwa zvipo zvepamutemo. Zvechokwadi kurasikirwa kwemaonero ako kunotora zvakawanda zvekushandiswa, asi hazvifaniri kukumisa iwe kuita zvose zvinenge zvawaita iwe paunogona kuona.
Kunobva:
American Foundation for the Blind, http://www.afb.org/info/blindness-statistics/key-definitions-of-statistical-terms/25, 2008
Nzvimbo dzeDaase Control uye Kudzivirira. "Vision Health Initiative (VHI): Common Eye Disorders." Sept. 29, 2015.