Yu dɔn ɛva go to dɔktɔ fɔ mek dɛn chɛk yu yay? Yu go mɔs mɛmba we yu go, dɛn bin de mek yu sidɔm na chia, ɛng wan big chɔt na di wɔl we de fa smɔl, ɛn aks yu fɔ rid di lɛta dɛn we de pan am wan bay wan. Yu fɔ rid frɔm di lɛta we de ɔp to di lɛta we smɔl pas ɔl, layn bay layn. Sɔntɛnde yu fɔ lɔk wan yay, dɔn di ɔda wan... Dat na di rili simpul tɛst we wi ɔl no, we dɛn kɔl Visual Acuity Test . Fɔ tɔk am simpul wan, i de chɛk aw yu yay shap . Tide, wi go tɔk bɔt dis smɔl smɔl , lɛk se yu de tɔk to yu padi.
Wetin na dis Visual Acuity Test rili?
Visual Acuity jɔs min "klia we yu si" ɔ "shap we yu de si". I de tɔk bɔt aw yu kin no klia wan difrɛn shep ɛn di ditel dɛn frɔm wan patikyula distans. We yu de waka na strit, yu go ebul fɔ rid di lɛta dɛn we de na sayn we de fa fawe klia wan? Yu kin si di nɔmba na di bɔs frɔm fa? Tin dɛn lɛk dat na di we aw yu de si.
So dis tɛst na di kwik ɛn izi we fɔ mek dɔktɔ si if yu yay dɔn chenj as tɛm de go. Na di fɔs ɛn impɔtant tin we yu fɔ du fɔ chɛk yu yay.
Wetin mek dis tɛst rili impɔtant?
Dis simpul tɛst kin no bɔku prɔblɛm dɛn we kin apin to wi yay kwik kwik wan. Na mɔtalman dɛn kin yuz am fɔ no 4 men prɔblɛm dɛn we dɛn kɔl rifraktiv mistek.
- Nearsightedness / Myopia: Dis na wae yu kin si tin dɛm wae de nia yu klia wan, bɔt tin dɛm wae de fa fawe nɔr kin blɔk. Fɔ ɛgzampul, fɔ rid buk fayn, bɔt fɔ wach TV ɔ fɔ si nɔmba na bɔs na rod nɔ kin klia.
- Farsightedness / Hyperopia: Dis na di ɔpɔzit to di kɔndishɔn we bin de bifo. Pan ɔl we yu kin si tin dɛn we de fa fawe klia wan, tin dɛn we de nia yu, mɔ we yu de rid buk ɔ nyuspepa ɔ we yu de luk fon, kin tan lɛk se dɛn nɔ klia. Di yay dɛn kin fil taya.
- Astigmatism: Dis na difrεn kכndyushכn sכmtεm. Bikɔs di yay nɔ de fos layt fayn, yu kin si tin dɛn we de nia ɛn fa as tin dɛn we dɔn chenj smɔl, we strɛch, ɔ we nɔ klia. Wan sayn fɔ dis na di we aw streak dɛn kin tan rawnd di ɛdlayt we yu de drayv na nɛt.
- Presbyopia: Dis nɔto sik. Na natura l tin we kin apin we di lens na wi yay nɔ kin ebul fɔ chenj afta wi dɔn ol 40. Dis kin mek i nɔ izi bak fɔ si tin dɛn we de nia, lɛk fɔ luk nyuspepa ɔ fɔ tay strɛch.
Apat frɔm dɛn 4 men prɔblɛm ya, sɔntɛnde dɛn kin yuz dis tɛst as di fɔs tin fɔ luk fɔ tin dɛn lɛk we pɔsin kin blaynd kɔlɔ.
Difrɛn kayn tɛst dɛn de fɔ no aw pɔsin de si.
Pan ɔl we wi ɔl no di lɛta chɔt, fɔ tru, bɔku we dɛn de fɔ du dis tɛst. I kin difrɛn fɔ di pɔsin in ej ɛn wetin i nid.
| Nem fɔ di tɛst | Fɔ tɔk am simpul wan... |
|---|---|
| Snellen Ay Tɛst Chat | Dis na di klashik we we wi ɔl no. Di chɔt we de na di wɔl de smɔl smɔl frɔm ɔp to dɔŋ. Dɛn kin mɛzhɔ di vishɔn bay di smɔl layn we yu kin rid. Naw na sɔm say dɛn, dɛn kin projɛkt dis na di wɔl. |
| Random E Chart we dɛn kin yuz | Dis na di sem tin bak wit di Snellen chart. Bɔt dis wan jɔs gɛt di lɛta ‘E’. Insay ɛni row, dɛn kin tɔn di lɛta E difrɛn say dɛn lɛk ɔp, dɔŋ, rayt, ɛn lɛft. Dis kin bi ivin smɔl pikin dɛn we nɔ ebul fɔ rid lɛta, ɔ pɔsin we nɔ sabi di langwej. Jɔs pɔynt to di sayd fɔ di lɛta ‘E’ we gɛt tri leg. |
| Pinhole Visual Akyuiti Tɛst | Dɛn kin du dis fɔ no kɔrɛkt wan bɔt wan sik lɛk fɔ si nia. Na ya, dɛn kin gi yu wan divays (paddle) we gɛt smɔl ol ɔ sɔm ol dɛn. Dɛn aks yu fɔ luk tru da ol de ɛn rid di chɔt. Dis kin ɛp fɔ kɔntrol di layt we de kam insay di yay ɛn fɔ no ustɛm na di prɔblɛm we de wit di we aw pɔsin de si. |
| Test fɔ pikin dɛn (Cardiff Tests) . | Imajin, aw yu go chɛk di yay fɔ smɔl bebi we nɔ ebul fɔ rid?? Sɔntɛnde lɛk dɛn tɛm ya, insted dɛn kin yuz lɛta dɛn, dɛn kin yuz chɔt we gɛt difrɛn pikchɔ dɛn bɔt animal dɛn, motoka dɛn, ɛn os dɛn. Di dɔktɔ sho di pikchɔ dɛn ɛn aks di pikin wetin dɛn bi. dis de gi wan aidia fכ di pikin in lεvεl fכ si. |
Dis na di rayt we aw di tɛst de wok:
Dis na tin we rili simpul fɔ du. Dis na di step dɛm we dɛn kin fala:
1. Distans: Dɛn go sidɔm ɔ mek yu tinap na chia we de lɛk 20 fit frɔm usay di chɔt de.
2. Klos wan yay: Neks, di dɔktɔ go tɛl yu fɔ lɔk wan yay wit yu an ɔ smɔl tin we dɛn gi yu wit am. Yu nɔ go jɔs ebul fɔ luk tru yu finga dɛn, nɔto so?
3. Rid di lɛta dɛn: Naw dɛn de aks yu fɔ rid di lɛta dɛn ɔdasay frɔm di big lɛta we de ɔp di chɔt, dɔŋ.
4. Fɔ No Di Limit: Yu kin kɔntinyu fɔ rid te yu rich wan say we yu nɔ ebul fɔ rid di lɛta dɛn klia wan, ɛn dɛn kin blɔk.
5. Test di ɔda yay: We wan yay dɔn, opin am, lɔk di ɔda yay, ɛn ripit di tɛst frɔm di biginin.
Di tin we impɔtant pas ɔl na fɔ nɔ swɛt ɛn tray fɔ rid we di lɛta dɛn smɔl ɔ blɔk. If yu du dat, dat go mek yu nɔ ebul fɔ si di rayt pikchɔ bɔt di tin dɛn we yu de si. Dis no bi somtin we yu get fo ‘pas’ laik exam. Wetin impɔtant na fɔ ɔnɛs wan tɛl yu dɔktɔ aw yu de si.
If yu dɔn ɔlrɛdi wɛr glas ɔ kɔntakt lens, yu dɔktɔ kin du dis tɛst tu tɛm.
- If yu nɔ gɛt glas: Mɛzhɔ yu natura l yay (uncorrected vision).
- We yu wɛr glas: Chek aw di glas we yu de wɛr naw kɔrɛkt yu yay fayn fayn wan.
Wetin di rizɔlt dɛn se? Hindsight na 20/20...
We di tɛst dɔn, dɛn kin ripɔt yu vishɔn insay smɔl smɔl pat dɛn. Yu go mɔs dɔn yɛri di stori bɔt "20/20 vishɔn." Dɛn kin se na fim dɛn, "In vishɔn pafɛkt, 20/20."
Di minin fɔ dis rili simpul.
20/20 vishכn min se sכmtin we pכsin we gεt nכmal hεlty yay kin si klia wan we i de 20 fit, dεn go si am jכs lεk klia wan we i de 20 fit.
Imajin se yu vishɔn na 20/40. Dis min se fɔ si klia wan sɔntin we nɔmal pɔsin kin si 40 fit, yu fɔ kam nia am te to 20 fit. Dis min se yu distans vishɔn de dɔŋ di avɛrej.
Dɔn bak, if yu vishɔn na 20/15, dat min se yu vishɔn shap pas di avɛrej. Yu kin si klia wan frɔm 20 fit wetin nɔmal pɔsin go si frɔm 15 fit fa.
Bɔt mɛmba se, bɔku pipul dɛn nɔ kin gɛt 20/20 vishɔn we dɛn nɔ gɛt ɛni kɔrɛkshɔn. Dat na nɔmal tin. Afta di tɛst, yu dɔktɔ go tɛl yu wetin yu nid fɔ du fɔ kɔrɛkt yu yay. Bɔku tɛm, dɛn go gi yu glas ɔ kɔntakt lens.
Di Visual Acuity Test na jɔs wan pat pan yu kɔmplit ay ɛgzam. afta dis, di dכkta go chεk yu yay prεshכn, di nεv dεm we de insay yu yay, εn bכku כda tin dεm we i de yuz כda instrכmεnt dεm (e.g., slit lamp).
Mɛsej we dɛn kin kɛr go na os
- Di Visual Acuity Test na wan rili simpul, nɔ gɛt pen, bɔt rili impɔtant tɛst we de sho aw yu yay shap.
- Dis kin ɛp fɔ no kwik kwik wan pan kɔmɔn yay sik dɛm lɛk fɔ si nia ɛn fɔ si fa.
- We yu de du di tɛst, tɔk tru to di dɔktɔ bɔt aw yu de si . Nɔ swɛt ɛn tray fɔ rid wit prɔblɛm. Dis no bi exam we yu get fo ‘pas’.
- If yu gɛt sɔm sayn dɛn lɛk ed we de at, yu yay we de at, ɔ we yu nɔ de si fayn, mek shɔ se yu go to dɔktɔ ɛn mek dɛn chɛk yu yay.
- Fɔ mek yu ebul fɔ si fayn fayn wan, i rili impɔtant fɔ mek yu de chɛk yu yay ɔltɛm . As mama ɛn papa, wi fɔ bisin ɔltɛm bɔt aw wi pikin dɛn de si.
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