Aniwa a wontumi nhu adeɛ yiye yɛ aniwa mu sɛ
nkyerɛnne a ɛma aniwa no nyɛ pɛpɛɛpɛ na ɛyɛ den ma afoforo sɛ wobɛ hwɛ nsɛm nketenkete.
Bere tiaa mu aniwa a ɛyɛ kusuu betumi ayɛ aniwa a ɛyɛ mmerɛw, anaa aniwa mu yare, nsa a awuduru wom, asikre a ɛba fam, anaa mogya mmoroso a ɛba fam. Nyarewa foforo bi te sɛ myopia, high hypermetropia, ne astigmatism, amblyopia, presbyopia, pseudomyopia, diabetes, cataract, pernicious anemia, vitamin B12 deficiency, thiamine deficiency, glaucoma, retinopathy, hypervitaminosis A, migraine, sjögren's syndrome, floater, macular degeneration, na etumi yɛ stroke anaa amemene mu kokoram ho sɛnkyerɛnne.[1]
Nsonsonoe a ɛwɔ nsonsonoe a ɛda nneɛma so te sɛ myopia, high hypermetropia, ne astigmatism mu no de akyirikyiri ani a ɛhwɛ nneɛma so no bɛyɛ fufuo.[1] Ɛyɛ ade titiriw a ɛde aniwa yare ba wiase nyinaa. Sɛ amblyopia nni hɔ a, aniwa a ɛrehu ade a efi refractive mfomso mu no betumi asesa akɔ nea ɛte no so denam nkyereso aniwa anaa refractive oprehyɛn so.
Pseudomyopia esiane dabere mu anomalies te sɛ dabere a ɛboro so, dabere mu spasm ne nea ɛkeka ho nti ma akyirikyiri anisoadehu yɛ kusuu.
Nsa a obi bow no betumi ama obi nhu ade yiye.
Nnuru a ɛma cycloplegic te sɛ atropine anaa nnuru afoforo a ekum cholinergic a wɔde di dwuma no ma aniwa yɛ kusuu esiane dabere a ɛyɛ mmerɛw nti.
Nnuru a ɛma cycloplegic te sɛ atropine anaa nnuru afoforo a ekum cholinergic a wɔde di dwuma no ma aniwa yɛ kusuu esiane dabere a ɛyɛ mmerɛw nti.
Cataracts: Nsu a ɛreyɛ ayɛ wusiwusi wɔ aniwa no aniwa mu, ɛma aniwa no hu ade a ɛyɛ wusiwusi, hann a ɛhyerɛn, ne ahohyehyeɛ ho nkate.[2] Afei nso, ɛno ne ade titiriw a ɛde anifurae ba.
Vitamin A a wɔnom boro so no betumi ama n’ani ayɛ kusuu.[3]
Nkyene: Nkyene nketenkete bi a ɛkyere aniwa no so. Ɛwom sɛ mpɛn pii no ɛyɛ bere tiaa bi na ɛnyɛ hu de, nanso ebetumi ayɛ retinal a atetew ho sɛnkyerɛnne.
Stroke anaasɛ bere tiaa mu ischemic ntua
Amemene mu kokoram.
Mogya a ɛwɔ aniwa mu.
Carbon monoxide poisoning: oxygen a ɛmma mu no betumi aka nipadua no afa pii a aniwa nso ka ho.[4] Nsεnkyerεnne afoforo a CO de ba no bi ne vertigo, hallucination ne light sensitivity.