Wubetumi ahu nneɛma a atwa w’ani ho ahyia akodu he? (Peripheral Vision) Saa asɛm yi fa!

So woakɔ abɔnten so pɛn, anaasɛ wo ne obi rekasa, na ɛwom sɛ worehwɛ w’anim tẽẽ de, nanso wuntumi nnyae sɛ wubehu obi anaa biribi a efi afã abien no nyinaa reba? Ɛno ne nea yɛfrɛ no ``Peripheral Vision'' kɛkɛ. Eyi ho hia paa ma yɛn da biara da dwumadi ahorow. Momma yɛnka eyi ho asɛm nkɔ akyiri nnɛ, ɛnte saa?

Dɛn ankasa ne anisoadehu a ɛwɔ akyirikyiri?

Sɛ yɛbɛka no tiawa a, sɛ wohwɛ w’anim tẽẽ a woanhinhim wo ti a, nea wuhu wɔ nkyɛnkyɛn, atifi, ne ase, de ka nea wuhu wɔ w’anim ho no, wɔfrɛ no ``Peripheral Vision.`` Nea wuhu bere a wohwɛ w’anim tẽẽ no, wɔfrɛ no ``Central Vision.``

Sɛ woahu biribi afi w'ani so pɛn a, na woreka wo ``Peripheral Vision'' ho asɛm. Asɛmfua foforo a wɔde gyina hɔ ma eyi ne `` Indirect Vision.'' Wo ``Central Vision'' no taa mu da hɔ sen wo ``Peripheral Vision''. Eyi te saa efisɛ yɛn ani ``twe adwene si'' nea yɛrehwɛ tẽẽ no so.

Wɔfrɛ anisoadehu a wubetumi ahu nyinaa, kyerɛ sɛ, w’anim tẽẽ ne nea atwa wo ho ahyia nyinaa no, aniwa a ɛhwɛ ade .

Dɛn nti na anisoadehu a ɛwɔ akyirikyiri ho hia yɛn saa?

``Peripheral Vision`` pa a wowɔ no ho hia yiye efisɛ ɛtrɛw w'anisoadehu mu, beae a wubetumi ahu no nyinaa. Ɛwom sɛ ebia worenhu nneɛma nkɔ akyiri sɛnea wubetumi ahu wɔ w’anim tẽẽ de, nanso anisoadehu a ɛwɔ akyirikyiri no ma wuhu kɔla ahorow, kankyee, ne nsusuwii ahorow a ɛnyɛ w’anisoadehu tẽẽ no.

Fa no sɛ wonam kwan so. Sɛ wohwɛ w’anim a, ɛyɛ saa `(Peripheral Vision)` yi na ɛboa wo ma wuhu kar bi a efi ɔfã biara anaa onipa bi reba ntɛm ara. Saa ara nso na sɛ yɛkenkan nwoma, sɛ yɛka kar, sɛ yɛbɔ agodie te sɛ kriket a, yɛn `(Peripheral Vision)` boa yɛn wɔ saa nneɛma yi nyinaa mu.

Ɔkwan bɛn so na anisoadehu a ɛwɔ akyi no yɛ adwuma ankasa?

Sɛ wobɛte eyi ase a, susuw ho saa kwan yi so: Oyikyerɛfo bi a ɔwɔ asɛnka agua so hwɛ atiefo no, anaasɛ wicketkeeper bi a ɔwɔ kriket akansi mu hwɛ abɔnten. Sɛ wɔanhinhim wɔn ti a, wotumi hu wɔn anim tẽẽ. Wotumi hu biribi wɔ nkyɛnkyɛn ne mfinimfini. Nanso wontumi nhu ade yiye koraa wɔ nifa anaa benkum fam koraa. Saa na yɛn anisoadehu no yɛ adwuma.

Aniwa no afã horow bɛn na ɛboa ma wonya saa anisoadehu yi?

Ɛkame ayɛ sɛ yɛn aniwa no fã biara boa yɛn ma yehu yɛn anim tẽẽ (Central Vision). Nanso retina , macula, ne fovea ne...Afã horow a wɔfrɛ no `(Fovea)` no na ɛho hia sen biara. Retina `(Retina)` yɛ ntini bi a ɛwɔ yɛn aniwa mu. Eyi ne baabi a nkwammoaa a ɛkyere hann `(Photoreceptor cells)` no wɔ. Saa retina yi wɔ ɔfã bi a wɔfrɛ no `(Macula)`. Ɛmu no, `(Fovea)` (ɛtɔ da bi a wɔfrɛ no `(Fovea Centralis)`) wɔ hɔ. Wo nya anisoadehunu a ɛyɛ nnam, ɛda adi pefee firi ɔfa yi a wɔfrɛ no `(Fovea)`.

Enti, w’ani mu no, mfinimfini fã no ne baabi a anisoadehu a ano yɛ nnam sen biara wɔ. Afã horow bi wɔ retina no mfinimfini fã no afã abien no nyinaa - eyi ne nea yɛfrɛ no peripheral retina . Saa afã horow no ne nea ɛboa yɛn ma yehu nneɛma a atwa yɛn ho ahyia (peripheral vision).

Sɛ aniwa a ɛwɔ akyi no yera anaasɛ ɛso tew a, dɛn na ɛba?

Sɛ wotumi hunu deɛ ɛwɔ w’anim tẽẽ nko ara, kyerɛ sɛ, sɛ woahwere wo `(Peripheral Vision)` a, yɛfrɛ saa tebea no `(Tunnel Vision)`. Ɛte sɛ nea worehwɛ afiri bi mu , anaa atesɛm krataa a wɔabobɔw mu. Esiane saa ``tube'' no nti, nea ɛwɔ w'anim tẽẽ nkutoo na wubetumi ahu. (Ɛtɔ da bi a nkurɔfo de asɛmfua `(Tunnel Vision)`` yi di dwuma wɔ ntease a ɛnyɛ aduruyɛ mu, de kyerɛkyerɛ obi a ne tirim yɛ den, a odwen ade biako pɛ ho.)

Ɔkwan foforo so no, sɛ woahwere wo mfinimfini anisoadehu na woahu ade wɔ akyirikyiri nkutoo a, na wowɔ mfinimfini anifuraefo . Scotoma yɛ aduruyɛ mu din a wɔde frɛ anifuraefo.

Na sɛ wuhu akanea, nsensanee, nsensanee, anaa nneɛma a enni hɔ ankasa bere a wohwɛ wo ho ahyia no nso ɛ?

Aniwa a ɛsensɛn nsu mu ne nea ɛhyerɛn abu so kakra, wɔ anisoadehu tẽẽ ne aniwa a ɛwɔ akyirikyiri nyinaa mu. Bere a worenyin no, ade a ɛte sɛ jelly a ɛwɔ w’ani mu (vitreous humor) no so tew. Eyi ma ne asinasin nketenkete mu paapae, na ɛma hann a ɛsensɛn nsu so ne hann a ɛhyerɛn a ɛte sɛ nea ɛrekɔ w’ani so no.

Sɛ yɛreka nneɛma a enni hɔ a wubehu ho asɛm a, ɛtɔ mmere bi a nneɛma a ɛwɔ w’aniwa a ɛwɔ akyirikyiri no mu betumi ayɛ te sɛ nea ɛkɔ ntɛmntɛm yiye na ɛte sɛ nea ɛyɛ kusuu, anaasɛ ebetumi ayera ansa na woatumi adan wo ti mpo ahwɛ.

Nanso, wɔ nsɛm bi mu no, sɛ wuhu nneɛma a ɛte sɛɛ a, ebetumi ayɛ ɔhaw a emu yɛ den kɛse ho sɛnkyerɛnne. Nhwɛso ahorow bi ni:

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* Hallucinations : Nneɛma a enni hɔ ankasa a wohu. Eyinom betumi ayɛ nea ɛfa ade a yehu, nea wɔte, hua, nsa a wɔde ka , ne nea wɔsɔ hwɛ ho.

* Charles Bonnet Syndrome : Saa tebea yi ba bere a obi a ontumi nhu ade yiye hu nneɛma a enni hɔ ankasa no.

Sɛ worehu nsensanee, aniwa a ɛyɛ kusuu, hann a ɛrehyerɛn, ne nneɛma a enni hɔ mpɛn pii sen kan no a, akyinnye biara nni ho sɛ bere aso sɛ wokɔ aniwa ho oduruyɛfo nkyɛn kɔhwehwɛ afotu. Ɛyɛ papa bere nyinaa sɛ wobɛkɔ oduruyɛfo nkyɛn na wahu yare no pɛpɛɛpɛ.

Dɛn na woyɛ de hwɛ sɛnea wotumi hu ade wɔ akyirikyiri?

Sɛ w’ani duruyɛfo hwehwɛ w’ani mu a, ɔbɛhwɛ w’aniwa a ɛwɔ akyi no nso. Saa aniwa mu sɔhwɛ yi nyɛ yaw. Ahosiesie titiriw biara nni hɔ a ɛho nhia. Nea ebefi mu aba no bɛma woahu wo duruyɛfo no baabi a wubetumi ahu soro, fam, ne nkyɛnkyɛn a worenhinhim wo ti. Ɛbɛsan nso akyerɛ sɛnea w’anisoadehu no te nka wɔ w’anisoadehu no fã biara mu.

Dɛn na wubetumi ayɛ na ama w’aniwa a ɛwɔ akyirikyiri no akɔ so atra hɔ na ama atu mpɔn?

Nneɛma a woyɛ de hwɛ ma w'ani so yɛ den nso betumi aboa wo ``Peripheral Vision``. Ɛno kyerɛ sɛ:

• Ma wɔnhwɛ w'ani bere ne bere mu .
• Sɛ́ wobɛkɔ so ayɛ nnam. Apɔw-mu-teɛteɛ a wɔyɛ no daa nso ye ma aniwa no.
• Aduan a ahoɔden wom te sɛ Mediterranea Adidi akyi a wobedi. Eyi yɛ aduan a nhabannuru, nnuaba, atoko, mpataa, ne ngodua ngo pii wom.
• Mu duru a ɛboro so ne kɛseyɛ mmoroso a wobedi so.
• Aniwa ho banbɔ a wɔhyɛ. Nneɛma te sɛ ahwehwɛ a wɔde hwɛ owia a wode bedi dwuma no ye ma aniwa no.

Sɛ wowɔ tebea bi a ɛka w’aniwa a ɛwɔ mfinimfini a, bisa wo duruyɛfo akwan a wobɛfa so adi tebea no so na ama w’aniwa a ɛwɔ akyi no atu mpɔn. Nnuruyɛfo a wɔn ho akokwaw wɔ anisoadehu ayaresa , anaa aniwa apɔw-mu-teɛteɛ mu nso wɔ hɔ.

Nkrasɛm a Wɔde Kɔ Fie

Ɛkame ayɛ sɛ yɛde `(Peripheral Vision)` di dwuma a yennim wɔ yɛn da biara da asetra mu adwuma biara mu. Ɛboa yɛn bere a yɛnantew kwan so, yɛrekenkan nhoma, yɛreka kar, eyinom nyinaa. Sɛ ɛyera a, yebetumi abɔ nneɛma ahorow mu na yɛahwe ase. Ɛyɛ saa `(Peripheral Vision)` yi na ɛboa bowler ma ohu bere a batsman bi rebɔ mmɔden sɛ obewia `base` bere a ɔrebɔ cricket.

Aniwa tebea horow bi betumi aka wo mfinimfini anisoadehu, na ama w’aniwa a ɛwɔ akyi no ayɛ nea enni dɛm. Tebea afoforo betumi aka wo peripheral vision, na ɛde tebea horow te sɛ tunnel vision a yɛadi kan aka ho asɛm no aba. Enti, ɛho hia bere nyinaa sɛ wobɛkɔ aniwa ho ɔbenfo a obetumi ahu wo tebea no pɛpɛɛpɛ na wasa yare na waboa wo ma w’ani ayɛ yiye sɛnea wubetumi biara. W’ani yɛ agyapade a ɛsom bo, ɛnte saa?

` Afã anisoadehu, akyi anisoadehu, anisoadehu tẽẽ, anisoadehu afuw, aniwa akwahosan, tunnel anisoadehu, aniwa nhwehwɛmu