Yu dɔn ɛva wɔnda aw wi de si di wɔl klia wan? di men rizin fכ dis na di transparent, tכn mεmbran we de bifo wi yay. dis pat we de wok lεk di lens fכ kεmεra, dεn kכl am "Kכnia". If di shep fɔ dis kɔnia chenj ivin smɔl, wetin wi de si kin blɔk ɛn chenj. pan dis kayn tin, wi kin kכl am `Kכnia tכpכgrafi`, we na tεst we rili imכtant εn we nכ de mek yu fil pen fכ chεk di εksakכt shep fכ yu kכnia.
Fɔ tɔk am simpul wan, wetin na Kɔnia Tɔpografi?
Dis nem kin tan lɛk se i strenj smɔl. Wi kin yuz di wɔd "topography" na jiografi, we na fɔ mek map dɛn we de sho di say we di wɔl de, di shep fɔ mawnten, vali, riva, ɛn ɔda tin dɛn So aw yu kin drɔ map wit yu yay?
Imajin se yu kɔnia tan lɛk smɔl ayland. Sɔm pat dɛn na dis ayland ay, sɔm pat dɛn smɔl, ɛn sɔm pat dɛn kin gɛt ol. Bɔt wi jɔs nɔ ebul fɔ si dɛn chenj ya wit wi yay. Na dat mek dɛn de yuz wan tɛknik we dɛn kɔl `Kɔnia Tɔpografi`. Wetin i de du na, i de yuz spɛshal kɔmpyuta divays fɔ mek wan tri-dimɛnshɔnal (3D) map fɔ yu kɔnia. Dis map de sho wit kɔlɔ. Wit dεn kכla dεm, wi kin si εksakכt usay di kכnia ay, usay i flat, usay i tint, εn usay i tik.
Fɔ tɔk am simpul wan, dis tan lɛk spɛshal foto shot fɔ yu yay. No pen nɔ de, ɛn natin nɔ de tɔch yu yay.
Wetin mek wi nid dis tɛst?
Dis tɛst de du sɔm rili impɔtant wok dɛn na ɔftalmɔlɔji. Tri men rizin dɛn de.
1. Fɔ no di sik dɛn we de na di yay ɛn wach aw dɛn de go bifo
Sɔm sik dɛn na di yay kin afɛkt di shep ɛn tik we di kɔnia gɛt dairekt wan. Dis tɛst impɔtant fɔ no bɔt dɛn kayn sik ya.
- Astigmatism: Na tin we di kɔnia nɔ de rawnd pafɛkt wan, bɔt i de lɔng smɔl, lɛk eg. Dis kin mek yu nɔ de si fayn.
- Keratoconus: Dis na sɔm kayn siriɔs sik. wetin de apin ya na di kכnia de tכn sכmtεm εn i de bulge fכ go bifo lεk kכn. wan `Kכnial Tכpכgrafi` tεst rili imכtant fכ no dis na di εli stej.
- Pεlusid marginal dεjεnεreshכn (PMD): Dis na kכndyushכn bak we di kכnia de tכn.
- Ska we pɔsin kin gɛt we i wund ɔ we i gɛt infekshɔn: If ska de na di kɔnia, yu kin no di rayt we aw i kin afɛkt di we aw pɔsin de si.
- Pterygium: na kכndyushכn we di fכs we de gro frכm di wayt pat na di yay go na di kכnia.
2. Plan fɔ du ɔpreshɔn ɛn chɛk di rizɔlt
Dis tɛst impɔtant we dɛn de du ɔpreshɔn pan di yay, mɔ we dɛn de du ɔpreshɔn pan di kɔnia.
- Laser vision correction surgery (LASIK or PRK): Bɔku pipul dɛn kin want fɔ pul glas ɔ kɔntakt lens bay we dɛn du `(LASIK)` ɔpreshɔn. Bɔt nɔto ɔlman kin gɛt dis ɔpreshɔn. dis tεst dεn kin du am fכ mek sכh se 100% se di shep εn tik we yu kכnia de fכ dis כpεrayshכn. As wi bin dɔn tɔk, dɛn kin no wan kɔndishɔn lɛk `(Keratoconus)` ivin if i nɔ gɛt ɛni sayn. If dɛn du `(LASIK)` fɔ dɛn kayn pipul ya, siriɔs kɔmplikeshɔn kin apin.
- Katarakt ɔpreshɔn: We dɛn de pul katarakt ɛn put atifishal lens insay, infɔmeshɔn bɔt di shep we di kɔnia gɛt impɔtant fɔ kɔl di pawa we da lens de gɛt kɔrɛkt wan.
- Kɔnia transplant ɔpreshɔn: Dis tɛst kin ɛp fɔ chɛk aw di kɔnia dɔn pwɛl bifo ɛn afta dɛn dɔn chenj am wit nyu wan.
- di kכnia kכros-link: na כ pεrayshכn fכ mek di kכnia we dεn wik bikoz fכ sik dεm lεk `(Keratoconus)`. Dis tɛst nid fɔ de bak fɔ plan dis ɔpreshɔn.
3. Pik kɔntakt lens dɛn we fit yu yay fayn fayn wan.
Dis tɛst nɔ kin nid ɔltɛm fɔ fit kɔntakt lens we dɛn kin yuz ɔltɛm. Bɔt if yu kɔnia nɔ shep fayn lɛk Keratoconus, di lens dɛn we yu kin yuz ɔltɛm nɔ go wok. If na so i bi, yu go nid fɔ yuz spɛshal rigid kɔntakt lɛns dɛn (Rigid gas-permeable - RGP lens) . Fɔ mek dis kayn lens fit yu yay fayn fayn wan, yu fɔ tek ɔl di mɛzhɔmɛnt dɛn fɔ di kɔnia ɛn mek di lens fit am. Di map we dɛn gɛt frɔm Kɔnia Tɔpografi rili yusful fɔ dis.
Udat want fɔ tek dis tɛst?
Yu go de wɔnda if yu nid dis tɛst. Dɔktɔ dɛn kin tɛl yu fɔ du dis tɛst pan dɛn tin ya.
| We aw tin bi naw | Rizin |
|---|---|
| If yu de tink bɔt fɔ du ɔpreshɔn wit lɛsa (lɛk LASIK) . | Mek shɔ se yu kɔnia fayn fɔ ɔpreshɔn ɛn mek shɔ se no mɛrɛsin nɔ de we ayd. Dis na tin we pɔsin fɔ du. |
| If yu nid ɔpreshɔn fɔ wan kɔnia kɔndishɔn | I kin ɛp di dɔktɔ fɔ plan di ɔpreshɔn kɔrɛkt wan ɛn gɛt di bɛst rizɔlt. |
| If yu dɔn ɔlrɛdi gɛt ɔpreshɔn pan yu yay | Chek di rizulyt fɔ di ɔpreshɔn ɛn aw di shep fɔ di kɔnia dɔn chenj. |
| If yu nid spɛshal kɔntakt lens dɛn | Pik wan kɔmfyut lens we fit fayn fayn wan fɔ wan kɔnia we gɛt shep we nɔ kɔmɔn. |
Di tɛst rili izi!
Yu nid fɔ rɛdi bifo di tɛst?
Bɔku tɛm, dɛn nɔ nid ɛni spɛshal pripiamɛnt. Bɔt if yu wɛr kɔntakt lens, yu dɔktɔ go tɛl yu fɔ stɔp fɔ wɛr am sɔm dez, ɔ ivin wik bifo di tɛst. dis na biכs we yu wɛr lεns i kin chenj di nεchכral shep fכ yu kכnia fכ sכm tεm (kכnia wכp). So fɔ mek yu ebul fɔ mɛzhɔ di rayt we, yu nid fɔ wet te yu kɔnia kam bak to in natura shep.
Wetin kin apin we dɛn de du di tɛst?
Dis ɔltin we dɛn kin du kin tek sɔm minit nɔmɔ.
1. Dem mek yu sidon fo chia fo front of mashin we luk laik big bol.
2. Dɛn kin put yu fɔrɛst ɛn yu chin na di say dɛn we dɛn dɔn pik ɛn dɛn kin tɛl yu fɔ de fayn.
3. Dɔn dɛn kin aks dɛn fɔ luk wan patikyula layt we de insay di bɔl stret.
4. We yu de wet, di mashin de tek plenti piksho fo yu ai witout eni nois o pen.
5. Dɛn kin yuz kɔmpyuta fɔ analayz di pikchɔ dɛn we dɛn tek ɛn chenj dɛn to di kɔlɔ map dɛn we wi bin dɔn tɔk bɔt.
Na dat na so! Yu nɔ go fil ɛnitin. Di mashin nɔ go ivin hit yu yay . I jɔs tan lɛk se yu de tek foto.
Di rizulyt fɔ di tɛst... map dɛn we gɛt kɔlɔ!
Afta di tɛst, yu dɔktɔ go gi yu sɔm map dɛn we gɛt kɔlɔ. We yu si dɛn tin ya, yu nɔ go ebul fɔ no wetin dɛn bi. Bɔt ɛni kɔlɔ ɛn ɛni nɔmba gɛt minin.
jεnarali, wam kכla dεm lεk rεd εn כrεnj de sho hכy/protruding εria dεm na di kכnia . di kol kכla dεm lεk blu εn grεn de sho se di kכnia de flat/lכw .
Dipen pan di infɔmeshɔn we di dɔktɔ nid, dɛn kin gɛt difrɛn kayn map dɛn.
| Tayp fɔ Map | Wetin dis sho wi? |
|---|---|
| Map akshial (Map sagittal) . | Dis na di map we dɛn kin yuz mɔ. i de sho di kכva fכ di kכnia, i.e., di ay εn lכw pכynt dεm (lεk di hil dεm εn vali dεm). Insay kɔnia we gɛt wɛlbɔdi, bɔku tɛm dis map kin grɛn. |
| Map we de sho usay di ples de ɔp | dis de kכmpεr yu kכnia to wan "standad shep" we kכmpyuta jεnarεt. Wam kɔlɔ dɛn de sho say dɛn we ay pas di standad shep. Kol kɔlɔ dɛn de sho say dɛn we smɔl pas di standad shep. |
| Map we tik di kɔnia (mapa de pachymetry) . | Dis map de sho aw di kɔnia tik. Wam kɔlɔ (lɛk rɛd) de sho say dɛn we tan lɛk tin, ɛn kol kɔlɔ (lɛk blu) de sho say dɛn we tik. dis map imכtant fכ no di kכndyushכn dεm lεk kεratokonכs, usay di kכnia de tכn. |
Nɔ mek yu fred wit dɛn map dɛn ya we gɛt bɔku bɔku kɔlɔ. Na yu dɔktɔ in wok fɔ analayz di infɔmeshɔn we de na dɛn map ya kɔrɛkt wan ɛn gi ɛksplen bɔt yu sik. Aks am ɛni kwɛstyɔn we yu go gɛt.
Yu tink se dis nɔ bad? Ustɛm a fɔ tɔk to di dɔktɔ?
Yɛs. Kɔnia Tɔpografi na 100% sef tɛst. Nɔr risk ɔr sayd ɛfɛkt nɔr de we dɛn no bɔt. I kin tɛst bak we nɔ kin mek pɔsin fil pen ɛn we kin tɛst am kwik kwik wan.
If yu gɛt ɛni kwɛstyɔn bɔt yu tɛst rizɔlt, ɔ if yu yay simptom (lɛk we yu nɔ de si fayn, we yu de fil pen) na nyu tin ɔ i de wɔs, go to yu dɔktɔ wantɛm wantɛm.
Mɛsej we dɛn kin kɛr go na os
- di kכnia tכpografi na tεst we nכ de mek yu fil pen εn we sef we de mek 3D map fכ di kכnia (di transparent pat we de bifo yu yay).
- Dis impɔtant fɔ no sik dɛm lɛk `Keratoconus` ɛn `Astigmatism`, ɛn fɔ no if yu fayn fɔ du lɛsa ɔpreshɔn lɛk `LASIK`.
- dis de εp fכ mek spεshal kכntakt lεns fכ di kכnia dεm we shep nכmal.
- Di tɛst rizɔlt dɛn de prɛzɛnt insay di fɔm fɔ kɔlɔ map dɛn. Yu dɔktɔ go ɛksplen to yu wetin dɛn tin ya min insay simpul wɔd dɛn.
- If yu gɛt ɛni kwɛstyɔn bɔt dis tɛst ɔ di rizɔlt, nɔ fred fɔ aks yu dɔktɔ.
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