Lɛ wi lan mɔ bɔt aw pɔsin kin si yay. Wetin na 20/20 Vishɔn?

Yu dɔn ɛva yɛri ɔftalmolɔg ɔ ay dɔktɔ se, "Yu vishɔn na 20/20" we yu go fɔ ay ɛgzam? Ɔ sɔntɛm yu dɔn yɛri yu padi tɔk am. Bɔku pipul dɛn tink se 20/20 vishɔn na pafɛkt, pafɛkt, ɛn pafɛkt vishɔn. Bɔt yu tink se na so i rili bi? Mek wi fain out exactly wetin na di "20/20" myth.

Wetin na 20/20 Vishɔn?

Fɔ tɔk am simpul wan, 20/20 vishɔn na "nɔmal" vishɔn. I de mɛzhɔ aw yu kin si sɔntin klia wan ɛn shap wan we de 20 fit fa. Di wan dɛn we sabi bɔt di yay kin kɔl dis visual acuity.

Imajin, we yu go fɔ chɛk yu yay, dɛn kin mek yu luk wan chɔt we gɛt lɛta dɛn pan am. Yu de 20 fit away frɔm di chɔt.

• Di fɔs nɔmba (20): Dis de tɛl yu aw fa yu de frɔm di chɔt we gɛt di lɛta dɛn. Insay ay tɛst, dis kin bi 20 ɔltɛm, bikɔs di standad distans na 20 fit.
• Di sɛkɔn nɔmba (20 na di ɔda say): Dis de tɛl yu ɔmɔs fit fa pɔsin we gɛt nɔmal vishɔn go si sɔntin wit di sem klia ɛn shap lɛk aw yu go si am frɔm 20 fit fa.

Dat min se if yu gɛt 20/20 vishɔn, wetin yu si frɔm 20 fit fa, pɔsin we gɛt nɔmal vishɔn kin si jɔs lɛk aw i de si klia wan frɔm 20 fit. Dis na "nɔmal" vishɔn, nɔto "pafɛkt" vishɔn. I sɔprayz fɔ no se na lɛk 35% pan di pipul dɛn na di wɔl nɔmɔ gɛt 20/20 vishɔn, ilɛksɛf dɛn wɛr glas, kɔntakt lens, ɔ dɛn dɔn ɔpreshɔn dɛn yay.

Naw, luk, sɔm tɛm dɛn kin rayt yu vishɔn as 20/15. Dat min se sɔntin we yu kin si frɔm 20 fit go gɛt fɔ de 15 fit fɔ mek pɔsin we gɛt nɔmal vishɔn si am klia wan. Dat min se yu vishɔn bɛtɛ pas di avɛrej!

Dɔn bak, if yu yay na 20/40, dat min se sɔntin we yu kin si frɔm 20 fit, pɔsin we gɛt nɔmal vishɔn kin si am klia wan frɔm 40 fit. Dis min se yu vishɔn de dɔŋ smɔl pas di avɛrej, bikɔs yu fɔ de nia am pas di avɛrej pɔsin fɔ si am klia wan. Bɔt nɔ wɔri, if yu vishɔn nɔ rich 20/20, bɔku we dɛn de fɔ ɛp yu fɔ klia am.

Jɔs lɛk aw wi kɔntri de mɛzhɔ distans wit fut, na so sɔm kɔntri dɛn na di wɔl de yuz di mɛtrik sistɛm. Insay dɛn kɔntri dɛn de, dɛn kin kɔl 20/20 vishɔn 6/6 vishɔn. Dat min se, dɛn de mɛzhɔ if yu kin si klia wan sɔntin we de 6 mita fa instead fɔ si 20 fit.

Yu tink se 20/20 vishɔn nɔmɔ impɔtant we pɔsin de si?

Pan ɔl we i impɔtant fɔ gɛt 20/20 vishɔn fɔ si di wɔl klia wan, ɔda tin dɛn de we impɔtant fɔ si. Dɛn na:

• Kɔlɔ vishɔn: Na di ebul fɔ no di kɔlɔ dɛn kɔrɛkt wan.
• Ay alaynɛshɔn: Dis rili impɔtant fɔ dip sɛns ɛn 3D vishɔn. I nid fɔ mek ɔl tu di yay dɛn wok togɛda fayn fayn wan.
• Low-light or night vision: Na di digri we pɔsin kin si we i dak.
• peripheral vision: Na di rεnj fכ vishכn we yu kin si to di sayd dεm we yu nכ tכn di ed.

So, yu ɔndastand? 20/20 na jɔs wan tin we pɔsin kin si. Ɔl dɛn tin ya kin mek ɔlman ebul fɔ si fayn fayn wan.

Wetin mek i rili impɔtant fɔ gɛt gud yay?

Gud yay impɔtant fɔ mek yu sef. Jɔs tink bɔt, fɔ si motoka na rod, nɔ mis wan stɛp we yu de go dɔŋ wan stej, ɔl dɛn tin ya nid fɔ si fayn fayn wan.

Dɔn bak, fɔ si gud gud wan rili impɔtant fɔ mek yu kɔntinyu fɔ gɛt ay kwaliti layf . Yu vishɔn de afɛkt yu wok, soshal aktiviti dɛm, tin dɛm we yu lɛk fɔ du, fɔ rid buk, ɔl dɛn tin ya. Gud vishɔn kin min se yu wɛr glas ɔ kɔntakt lens. Di tin we impɔtant pas ɔl na fɔ si klia wan fɔ intarakt wit di envayrɔmɛnt ɛn pipul dɛn we de rawnd yu – wit ɔ atɔl kɔrɛkshɔn.

Fɔ si gud yay nɔto fɔ jɔs avɔyd shap kɔna dɛn. I kin ɛp bak fɔ mek yu maynd shap , ɛn i kin gi yu trɛnk fɔ du yu wok dɛn ɛvride. Fɔ rid wan risɛp we yu de kuk, fɔ rid di instrɔkshɔn dɛn we de na wan bɔtul fɔ mɛrɛsin, fɔ rid di wɔnin dɛn we de na sɔlv fɔ klin, ɛn fɔ si rod sayn dɛn ɛn bɔs rod nɔmba dɛn we yu de drayv, yu nid fɔ si gud gud wan.

Aw yu go no if yu gɛt 20/20 vishɔn?

Wan dɔktɔ we de mɛn yu yay go tɛst yu fɔ si wit yu yay ɛgzam. Bɔku tɛm dɛn go yuz bɔku we dɛn, di men wan dɛn na:

• Visual acuity test: Dis na di wan we a bin dɔn tɔk bɔt, usay yu fɔ rid lɛta dɛn na chɔt. Dɛn kɔl dis chɔt Snellen chɔt . Sɔntɛnde, instead fɔ lɛta dɛn, dɛn kin yuz chɛt dɛn we gɛt shep dɛn bak, mɔ fɔ smɔl pikin dɛn.
• Retinoscopy: Dis min se yu fɔ ol difrɛn lens dɛn na yu yay fɔ si uswan we go mek yu si klia wan. Di dɔktɔ kin du dis we i de shayn layt na yu yay.
• Autorefraction: Dis min se yu fɔ luk mashin (sɔntɛm na pikchɔ we de sho wan os we de na fil, ɔ wan hot ɛya balyɔn we de na di ɛnd pan wan lɔng rod). Di mashin de mɛzhɔ yu yay ɔtomɛtik wan. Di dɔktɔ kin yuz dɛn ridin ya fɔ no mɔ bɔt aw yu de si ɛn gi yu di rayt nɔmba fɔ yu glas.

Wetin na di rizin dɛn we mek a nɔ kin gɛt 20/20 vishɔn?

di mכst kכmכn kכz fכ vishכn we less dan 20/20 na rεfrεktiv mistek. Dis na chenj na di shep fɔ yu yay we kin mek yu nɔ si fayn. Dɛn tin ya na:

• Hyperopia ɔ Farsightedness: Na di kɔndishɔn we tin dɛn we de nia de tan lɛk se dɛn nɔ klia, ɛn sɔntɛnde tin dɛn we de fa bak kin blɔk smɔl.
• Myopia ɔ Nearsightedness: Na tin we de mek tin dɛn we de fa nɔ de klia ɛn tin dɛn we de nia yu de si klia wan.
• Presbyopia: Dis na wan sik wae kin apun wae pɔrsin de ol. I kin mek i nɔ izi fɔ rid nia tin dɛn lɛk buk ɛn nyuspepa. Bɔku tɛm, i kin bigin afta we i ol 40 ia.
• Astigmatism: Insay dis kכndishכn, biכs di yay nכ de pafεkt sfεri, layt rayt nכ de fכkus na di sem pכynt insay di yay. Dis kin mek di tin dɛn we de nia ɛn di tin dɛn we de fa kin tan lɛk se dɛn dɔn chenj smɔl ɛn dɛn nɔ klia.

Apat frɔm dɛn mistek ya we de mek yu yay nɔ de si fayn, ɔda tin dɛn we kin apin to yu yay kin afɛkt yu yay bak. Sɔm ɛgzampul dɛn na:

• Katarakt: Klaud na di lens na di yay.
• di sik dεm na di kכnia: Na di sik dεm we de apin na di kכnia, di transparent mεmbran we de bifo di yay.
• Dayabitis-rilayt retinopathy: Di damej pan di retina na di bak pat na di yay we dayabitis kin mek.
• Glaucoma: I de damej di optik nerve bikoz di prεshכn we de insay di yay de inkrεs.
• Retina sik: Difrɛn sik dɛn we kin apin na di retina na di yay.
• Kכndishכn dεm lεk strabismus , fכ egzampl , amblyopia/lazy eye.

Dɔn bak, i pɔsibul fɔ gɛt bɛtɛ vishɔn pas di avɛrej vishɔn, bɔt i nɔ kin izi fɔ si smɔl.

Aw dɛn kin trit di lɔw visual acuity?

If yu gɛt refractive errors, bɔku tritmɛnt dɛn de fɔ kɔrɛkt yu yay. Dɛn tritmɛnt ya de aim fɔ briŋ yu vishɔn as klos to 20/20 as pɔsibul. Dɛn tin ya na:

• Ayglas: Dis na di we we dɛn kin yuz mɔ ɛn we simpul pas ɔl.
• Kontakt lens: Na gud ɔda tin fɔ di wan dɛn we nɔ lɛk glas.
• Ɔpreshɔn fɔ kɔrɛkt yu yay: Tin dɛn lɛk ɔpreshɔn we yu de yuz lɛsa kin mek yu si fayn fɔ ɔltɛm.

If yu gɛt ɔda sik dɛn na yu yay, dɛn kin nid fɔ du ɔpreshɔn ɔ tritmɛnt. Apat frɔm dat, yu go nid fɔ wɛr glas ɔ kɔntakt lens. Ivin so, sɔmtɛm yu nɔ kin ebul fɔ gɛt 20/20 vishɔn, bɔt yu kin stil ebul fɔ gɛt vishɔn we kɔmfyut fɔ yu fɔ liv wit.

A kin ridyus di risk fɔ mek mi visual acuity fɔdɔm ɔnda 20/20?

Yɛs, na fɔ tru. Bɔrku tin de wae yu kin du fɔ mek yu yay gɛt wɛl bɔdi ɛn fɔ mek yu nɔr gɛt prɔblɛm wit yu yay. Dɛn tin ya na:

• Tek yu yay ɛgzam ɔltɛm: Mek dɛn chɛk yu yay wan tɛm insay di ia ɔ ɛvri tu ia. Dis impɔtant ilɛksɛf yu nɔ wɛr glas.
• Wear tin fɔ protɛkt yu yay:Wear sef glas we yu de wok wit tin dɛn we go mek yu gɛt prɔblɛm. Dɔn bak, wɛr sanglas we yu de go na do na di san. Dis go protɛkt yu yay frɔm ɔltra vayolɛt rayt we de ambɔg yu .
• If yu de yuz tabak ɔ nikotin, go to dɔktɔ fɔ mek yu stɔp . Smok kin rili bad fɔ di yay.
• Gɛt di rayt it: Yu yay nid sɔm vaytamɛn ɛn minral dɛn fɔ mek i wok fayn fayn wan. Put tin dɛn lɛk grɛn we gɛt lif, yɔlɔ frut, ɛn vɛjitebul insay yu it.
• Mek yu gɛt wɛlbɔdi wet. If yu fat, dat kin mek yu gɛt sik dɛn lɛk dayabitis, we kin afɛkt yu yay bak.
• Wash yu an ɔltɛm: Dis kin mek jem ɛn infɛkshɔn nɔ go insay yu yay.
• If yu wɛr kɔntakt lens, fala di instrɔkshɔn dɛn fɔ kip am klin ɛn chenj am di rayt tɛm.
• Nɔ ignore di ay simptom ɔ chenj na di vishɔn, mɔ if di chenj apin wantɛm wantɛm. Go to dɔktɔ wantɛm wantɛm.
• If yu gɛt sik dɛn we nɔ de mɛn lɛk dayabitis, kɔntrol dɛn fayn fayn wan. Dis kin mek di bad tin dɛn we kin apin to yu yay nɔ bɔku.
• Gi yu yay brek: Ɛspɛshali if yu de du bɔku wok we yu de si ɔ yu de spɛn bɔku tɛm fɔ luk kɔmpyuta skrin, i impɔtant fɔ gi yu yay brek. Yu kin yuz di 20-20-20 rul : Ɛvri 20 minit, luk sɔntin we de 20 fit fɔ 20 sɛkɔn.

Fɔ dɔn, tin dɛn fɔ mɛmba (Take-Home Message) .

I nɔ mata wetin yu visual acuity test skɔ, yu yay tan lɛk di winda dɛn we yu de si di wɔl we de rawnd yu. I rili impɔtant fɔ kia fɔ dɛn gud gud wan. If yu du dat, dat kin mek yu nɔ ebul fɔ si fayn igen.

Mɛmba se 20/20 na jɔs "nɔmal" vishɔn, nɔto "pafɛkt" vishɔn. If yu gɛt ɛnitin we de mɔna yu ɔ yu nɔ shɔ bɔt aw yu de si, i go fayn ɔltɛm fɔ go to dɔktɔ we sabi bɔt yu yay.

` Aysight, 20/20 vishɔn, visual acuity, ay egzam, ay sik, ayglas, vishɔn, vishɔn improvement