So ɛsɛ sɛ yehu nea ɛyɛ nhyehyɛe a wɔde kenkan nkrataa bere a yɛrekɔyɛ aniwa mu nhwehwɛmu no ankasa? (Aniwa a Wotumi Hu Ho Sɔhwɛ) .

So woakɔ oduruyɛfo nkyɛn akɔhwɛ w’ani pɛn? Ebia wokae sɛ bere a wokɔ no, na wɔma wotra nkongua so, de nwoma kɛse bi sɛn ɔfasu no so wɔ akyirikyiri kakra, na wɔka kyerɛ wo sɛ kenkan nkyerɛwde a ɛwɔ so no mmiako mmiako. Ɛsɛ sɛ wokenkan fi nkyerɛwde a ɛwɔ soro no so kosi nkyerɛwde ketewaa no so, nkyerɛwde biara. Ɛtɔ da bi a ɛsɛ sɛ woto w’ani biako, afei foforo no... Ɛno ne sɔhwɛ a ɛyɛ mmerɛw yiye a yɛn nyinaa nim, a wɔfrɛ no aduruyɛ mu sɛ Visual Acuity Test . Sɛ yɛbɛka no tiawa a, ɛhwɛ sɛnea w’aniwa yɛ nnam . Ɛnnɛ, yɛrebɛka eyi ho asɛm akɔ akyiri kakra , te sɛ nea wo ne w’adamfo bi rekasa.

Dɛn ankasa ne saa Visual Acuity Test yi?

Visual Acuity kyerɛ kɛkɛ "anisoadehu a emu da hɔ" anaa "anisoadehu a ɛyɛ nnam". Ɛkyerɛ sɛnea wubetumi ahu nsonsonoe a ɛda nsusuwii ne nsɛm nketenkete mu pefee afi akyirikyiri pɔtee bi. Sɛ wonam abɔnten a, so wubetumi akenkan nkyerɛwde a ɛwɔ sɛnkyerɛnne bi a ɛwɔ akyirikyiri so no pefee? So wubetumi afi akyirikyiri ahu nɔma a ɛwɔ bɔs no mu no? Nneɛma a ɛtete saa no gyina sɛnea wutumi hu ade yiye no so.

Enti sɔhwɛ yi ne ɔkwan a ɛyɛ ntɛm na ɛyɛ mmerɛw sen biara a oduruyɛfo betumi afa so ahu sɛ bere kɔ so no w’aniwa asesa anaa. Ɛyɛ anammɔn a edi kan na ɛho hia sen biara wɔ aniwa mu nhwehwɛmu mu.

Dɛn nti na sɔhwɛ yi ho hia saa?

Saa sɔhwɛ a ɛnyɛ den yi betumi ahu ɔhaw pii a ɛtaa ba yɛn aniwa so ntɛm. Titiriw no, wɔde kyerɛ ɔhaw atitiriw anan a wonim no sɛ refractive errors.

• Nhumu a ɛbɛn / Myopia: Eyi ne bere a wutumi hu nneɛma a ɛbɛn wo pefee, nanso nneɛma a ɛwɔ akyirikyiri no yɛ nea wontumi nhu. Sɛ nhwɛso no, nhoma akenkan yɛ papa, nanso TV hwɛ anaa nɔma bi a wubehu wɔ bɔs mu wɔ kwan so no yɛ nea wontumi nhu.
• Akyirikyiri / Hyperopia: Eyi ne tebea a atwam no bɔ abira. Ɛwom sɛ wotumi hu nneɛma a ɛwɔ akyirikyiri yiye de, nanso nneɛma a ɛbɛn, titiriw bere a worekenkan nhoma anaa atesɛm krataa anaa worehwɛ telefon so no, da adi pefee. Aniwa no te nka sɛ wabrɛ.
• Astigmatism: Eyi yɛ tebea soronko kakra. Esiane sɛ aniwa no ntumi nhwɛ hann so yiye nti, ebia wubehu nneɛma a ɛbɛn ne akyirikyiri nyinaa sɛ akyinkyim kakra, atrɛw, anaasɛ ayɛ kusuu. Eyi ho sɛnkyerɛnne biako ne nsensanee a ɛda adi wɔ kanea a ɛwɔ anim ho bere a wɔreka kar anadwo no.
• Presbyopia: Eyi nyɛ yare. Ɛyɛ abɔde mu tebea a ɛba bere a yɛn aniwa ahwehwɛ no hwere sɛnea ɛyɛ mmerɛw bere a yɛadi mfe 40. Eyi nso ma ɛyɛ den sɛ yebehu nneɛma a ɛbɛn te sɛ atesɛm krataa a yɛhwɛ anaa hama a yɛkyekyere.

Nhwehwɛmu ahorow pii wɔ hɔ a wɔde hwɛ sɛnea obi hwɛ ade yiye.

Ɛwom sɛ yɛn nyinaa nim nkyerɛwde nhyehyɛe no de, nanso nokwarem no, akwan pii wɔ hɔ a wɔfa so yɛ sɔhwɛ yi. Ɛsono sɛnea onipa no mfe ne n’ahiade te.

Eyi ne sɛnea sɔhwɛ no yɛ adwuma pɛpɛɛpɛ:

Eyi yɛ adeyɛ a ɛyɛ mmerɛw yiye. Eyinom ne anammɔn a wɔtaa di akyi:

1. Ɔkwan a ɛda ntam: Wɔbɛtra ase anaasɛ wɔbɛma woagyina akongua bi a efi baabi a nhyehyɛe no wɔ no ntam kwan bɛyɛ anammɔn 20 so.

2. Aniwa biako a wobɛto mu: Afei, oduruyɛfo no bɛka akyerɛ wo sɛ fa wo nsa anaa afiri ketewaa bi a wɔde ama wo no to w’ani biako mu. Worentumi nhwɛ wo nsateaa mu kɛkɛ, ɛnte saa?

3. Nkyerɛwde no akenkan: Afei wɔka kyerɛ wo sɛ kenkan nkyerɛwde no nnidiso nnidiso mfi nkyerɛwde kɛse a ɛwɔ nhyehyɛe no atifi, kɔ fam.

4. Anohyeto a Wobɛkyerɛ: Wokɔ so kenkan kosi sɛ wubedu baabi a wuntumi nkenkan nkyerɛwde no yiye, na ɛbɛyɛ nea ɛyɛ mmerɛw.

5. Aniwa foforo no a wobɛsɔ ahwɛ: Sɛ wowie aniwa biako a, bue, to aniwa foforo no mu, na san yɛ sɔhwɛ no fi mfiase.

Sɛ wohyɛ ahwehwɛ anaa ahwehwɛ a wɔde hwɛ ade dedaw a, wo duruyɛfo betumi ayɛ nhwehwɛmu yi mprenu.

• Sɛ wunni ahwehwɛ: Susuw w’abɔde mu anisoadehu (anisoadehu a wɔansiesie).
• Ahwehwɛ a wobɛhyɛ: Hwɛ sɛnea ahwehwɛ a wohyɛ mprempren no teɛteɛ w’ani so yiye.

Dɛn na nea efi mu ba no ka? Sɛ yɛhwɛ akyi a, ɛyɛ 20/20...

Sɛ sɔhwɛ no ba awiei a, wɔbɔ w’anisoadehu ho amanneɛ wɔ afã horow mu. Ebia woate "20/20 anisoadehu" ho asɛm. Wɔka sɛ wɔ sini ahorow mu no, "N'anisoadehu yɛ pɛpɛɛpɛ, 20/20."

Nea eyi kyerɛ no yɛ mmerɛw yiye.

20/20 anisoadehu kyerɛ sɛ biribi a obi a n’ani a ɛte apɔw a ɛfata betumi ahu no pefee wɔ akyirikyiri anammɔn 20 no, wobehu no pefee saa ara wɔ akyirikyiri anammɔn 20.

Fa no sɛ w’anisoadehu yɛ 20/40. Eyi kyerɛ sɛ sɛ wubehu biribi a obi a ɔte ase betumi ahu no pefee wɔ akyirikyiri anammɔn 40 a, ɛsɛ sɛ wobɛn no bɛyɛ anammɔn 20. Eyi kyerɛ sɛ wo akyirikyiri anisoadehu no sua sen sɛnea wɔkyekyem pɛpɛɛpɛ.

Afei nso, sɛ w’aniwa yɛ 20/15 a, ɛkyerɛ sɛ w’aniso yɛ nnam sen sɛ wɔkyekyem pɛpɛɛpɛ a. Wubetumi ahu nea obi a ɔte ase behu fi akyirikyiri anammɔn 20 no pefee.

Nanso kae sɛ, nnipa dodow no ara nni anisoadehu 20/20 a wonni nteɛso biara. Ɛno yɛ ade a ɛfata. Sɛ woyɛ nhwehwɛmu wie a, wo duruyɛfo no bɛkyerɛ wo nea ɛsɛ sɛ woyɛ de asiesie w’ani so. Mpɛn pii no, wɔbɛkyerɛw ahwehwɛ anaa ahwehwɛ a wɔde hwɛ ade.

Visual Acuity Test no yɛ w’ani nhwehwɛmu a edi mũ no fã biako pɛ. Eyi akyi no, oduruyɛfo no de nnwinnade afoforo (e.g., kanea a wɔapaapae) bɛhwɛ w’ani so nhyɛso, ntini a ɛwɔ w’ani mu, ne nneɛma afoforo pii.