So ɛyɛ den sɛ wubehu ade abɛn? So wopɛ sɛ wokura w’anisoadehu a ɛwɔ akyirikyiri no mu? Momma yɛnka ‘Monovision’ ho asɛm!

Bere a woadi mfe 40 akyi no, so abɛyɛ den kakra ama wo sɛ wobɛkenkan atesɛm krataa anaa nkrasɛm bi wɔ wo fon so? So ɛho abehia sɛ wode wo nsa kɔ akyiri kakra esiane sɛ ɛte sɛ nea nkyerɛwde no mu yɛ kusuu nti? Eyi yɛ biribi a ɛto nnipa pii. Nanso sɛ wode ahwehwɛ hyɛ wo ho sɛnea ɛbɛyɛ a wubetumi ahu ade a ɛbɛn a, ɛsɛ sɛ wuyi bere a wuhu akyirikyiri no. Saa ahwehwɛ yi a wɔbɛsesa no yɛ ɔhaw ankasa ma nnipa binom. Enti, so woate mfiridwuma bi a wɔfrɛ no ‘Monovision’ a ɛba sɛ eyi ano aduru pa ho asɛm? Momma yɛnka ho asɛm nnɛ ara kwa.

Sɛ yɛbɛka no tiawa a, dɛn ne monovision?

Ɛyɛ mmerɛw yiye. Monovision yɛ ɔkwan a wɔfa so tete w’ani ma ɛde n’adwene si nneɛma a ɛbɛn wo so (sɛ nhwɛso no, nhoma akenkan, wo fon a wobɛhwɛ) ne w’ani foforo no ma wode w’adwene asi nneɛma a ɛwɔ akyirikyiri so (e.g., karka, TV hwɛ) . Ɛte sɛ nea wode nnwuma abien a ɛsono emu biara ama w’ani.

Susuw ho saa kwan yi so. W’ani biako tumi hu ade yiye paa, na aniwa foforo no nso tumi hu akyirikyiri yiye. Ɔkwan bi so no w’amemene no ka mfonini ahorow a efi aniwa abien yi mu no bom, na ɛyɛ mfonini a edi mũ a ɛma wutumi hu baabi a ɛbɛn ne akyirikyiri nyinaa. Nnipa binom frɛ eyi sɛ ‘anisoadehu a wɔadi afra’. Eyi kyerɛ sɛ ɛkame ayɛ sɛ wubetumi ayi ahwehwɛ a ɛho hia na ama woatumi ahu ade a ɛbɛn wo no afi hɔ koraa.

Dɛn nti na yehia biribi a ɛte sɛɛ?

Bere a yɛn nyinaa nyin, mpɛn pii no, bere a yɛadi mfe 40 akyi no, ɛbɛyɛ den sɛ yebehu nneɛma abɛn. Ebia woahu nnipa a wɔn mfe akɔ anim a wɔrebɔ wɔn ani bere a wɔrekenkan atesɛm krataa no. Wɔ aduruyɛ mu no, yɛfrɛ saa tebea yi ‘presbyopia’ .

Nea enti a ɛte saa ne sɛ sɛnea aniwa a ɛwɔ yɛn aniwa mu no tumi dannan ne ho no so tew bere a yɛrenyin no. Ntini nketewa a ɛwɔ aniwa no mu (`ciliary muscles`) no ntumi nkotow saa aniwa yi sɛnea ɛho hia na ama wɔde wɔn adwene asi biribi a ɛbɛn so. Wɔfrɛ eyi sɛ ‘Accommodation reflex’ a ɛyɛ mmerɛw.

Monovision twa saa mmerɛwyɛ yi ho hyia. Afei nso, ɛtɔ mmere bi a nnipa a wɔayɛ wɔn aniwa biako oprehyɛn no betumi de ahwehwɛ a wɔde hwɛ ade biako yi ahyɛ mu.

Akwan bɛn na wobɛfa so anya monovision?

Akwan pii wɔ hɔ a wubetumi afa so anya saa monovision yi. Ebi yɛ bere tiaa mu de, afoforo nso yɛ nea ɛtra hɔ daa.

• Contact Lenses: Eyi ne ɔkwan a eye sen biara na ahobammɔ wom a wobɛfa so ahu sɛ monovision fata wo anaa. Wo duruyɛfo de ahwehwɛ a ɛbɛn aniwa bɛhyɛ aniwa biako mu na ɔde akyirikyiri ahwehwɛ bɛhyɛ aniwa foforo no mu bere tiaa bi. Eyi yɛ bere pa a wode hwɛ sɛ wubetumi ayɛ wo su na sɛ wowɔ ɔhaw bi.
• Laser Vision Correction: Sɛ wuhu sɛ saa kwan yi di yiye wɔ contact lenses mu a, LASIK anaa PRK betumi ayɛ ano aduru a ɛtra hɔ daa.Wubetumi ayɛ laser oprehyɛn te sɛ eyi. Eyi sesa aniwa no ani a ɛyɛ mmerɛw no nsusuwii na ɛma wotumi hu ade biako daa.
• Aniwa mu Aniwa Oprehyɛn: Bere a wɔreyɛ aniwa a ɛyɛ mmerɛw oprehyɛn no, wobetumi ayɛ nsakrae wɔ aniwa a wɔde ayɛ a wɔde ahyɛ aniwa no mu no mu ma aniwa biako.

Dɛn ne mfaso ne ɔhaw ahorow a ɛwɔ saa kwan yi so?

Te sɛ aduruyɛ biara no, monovision wɔ mfaso ne ɔhaw ahorow nyinaa. Momma yɛnhwɛ nea wɔyɛ.

Dɛn ne ‘Pulfrich Effect’ a ɛyɛ hu yi?

Eyi yɛ biribi a ɛsɛ sɛ yɛhwɛ yiye wɔ ho. Sɛ yɛbɛka no tiawa a, esiane sɛ ɛsono sɛnea mfonini ahorow a efi w’ani so kɔ w’amemene mu no mu da hɔ nti, bere a w’amemene no de di mfonini abien no ho dwuma no yɛ soronko kakra. Mfonini a efi aniwa biako mu no du w’amemene no mu wɔ sekan biako fã ketewaa bi akyi sen foforo no.

Nsonsonoe ketewaa yi mma wontumi nte ade a ɛretu kwan, ahoɔhare, ne baabi a ɛkɔ no ase pɛpɛɛpɛ.

Fa no sɛ woreka kar. Sɛ woantumi anhu kwan a ɛda wo ne kar anaa onipa a ɔretwa kwan no ntam wɔ w’anim no pɛpɛɛpɛ a, anka ɛbɛyɛ asiane dɛn? Saa nkɛntɛnso yi betumi ada adi titiriw bere a woreka kar wɔ ahoɔhare kɛse ne hann kakraa bi mu no .

Nneɛma a ɛsɛ sɛ wususuw ho bere a wode monovision te ase no

Sɛ wosua monovision wie a, ɛho hia yiye sɛ wohwɛ w’ani akwahosan so.

• Yɛ aniwa mu nhwehwɛmu daa: Anyɛ yiye koraa no, ma wɔnhwɛ w’ani pɛnkoro afe anaa abien biara, sɛnea w’ani duruyɛfo kamfo kyerɛ no. Sɛ wowɔ ayaresa mu tebea afoforo te sɛ asikreyare , a, ebia ebehia sɛ wokɔhwɛ mpɛn pii.
• Ahwehwɛ soronko: Ebia wo duruyɛfo bɛkyerɛw ahwehwɛ soronko bi ama wo sɛ wode bedi dwuma wɔ karka anadwo anaa nnwuma a ɛyɛ mmerɛw yiye te sɛ kɔmputa so adwuma nkutoo mu. Eyi bɛma woanya anisoadehu a eye sen biara wɔ tebea horow a asiane wom yi mu.

Monovision yɛ ɔkwan pa a wɔfa so boa nnipa pii a wɔn ani hu ade yiye ma wɔayi ahwehwɛ afi wɔn ho. Nanso ɛnyɛ obiara dea. Sɛ́ ebia wubetumi de ayɛ wo su ne sɛ ebia ɛde ɔhaw ahorow ba no gu ahorow wɔ onipa biara mu.