Kwanan nan, yawancin mutane suna kokawa ga matalauta, wanda daga cikinsu akwai ƙananan marasa lafiya. Wannan ba abin mamaki bane, domin a rayuwar zamani, idanu suna da nauyi mai yawa. Saboda haka yana da matukar muhimmanci a yi nazarin yau da kullum tare da masanin magunguna - a kalla sau ɗaya a shekara, a lokacin da za a fahimci pathology.
Nau'i na hangen nesa
Zamu iya rarraba ɓacin hankali ta hanyoyi biyu:
- Organic - pathology, wanda akwai canje-canje na tsari a cikin kwayoyin hangen nesa (cataracts, ciwon daji na jijiyar hangen nesa, zubar da jini, zubar da jini, conjunctivitis, da dai sauransu).
- Ayyukan aiki - an lalacewa ta hanyar sauya fashewar hasken hasken rana, wanda, shiga cikin idanu, ya samar da hoto akan retina (hyperopia, myopia, astigmatism , strabismus, da dai sauransu).
Dalilin hangen nesa mara kyau
Babban dalilai da ke haifar da rashin hankalin gani shine:
- abubuwanda ke haifuwa, rashin lafiya;
- damuwa a tsarin tsarin ido;
- matsanancin kaya;
- ƙwaƙwalwar tunanin mutum, ta jiki ko ta hanyar tunani;
- canja wurin cututtuka;
- endocrine pathologies;
- pathology na ƙwayar mahaifa;
- bushewa na ido mucosa;
- ciwo da jini na wurare dabam dabam;
- miyagun halaye;
- yanayi mara kyau na yanayi;
- halayen aiki, da dai sauransu.
Bayyanar cututtuka na hangen nesa mara kyau
Rashin bayyanar cututtuka, wanda ya zama dalilin dashi zuwa likita kuma yin cikakken jarrabawa, sune:
- hangen nesa;
- biyu hangen nesa a idanun ;
- bayyanar shrouds, kwari, haskoki a gaban idanu;
- rashin yiwuwar gane kananan sassa;
- rashin yiwuwar mayar da hankalin wasu batutuwa;
- ciwo a idanun;
- azabar ido mai sauri;
- cin zarafin fahimtar launuka, da dai sauransu.
Ta yaya mutanen da suke gani da matalauta suna gani?
Gaskiyar cewa siffar duniya mai kewaye ta bayyana a idon mutanen da suke gani da matalauta, ya dogara ne da irin nau'in pathology da digiri na lalacewar da suka samu. Alal misali, tare da myopia, abubuwa masu nisa suna gani kamar m, kuma abubuwa da suke kusa suna ganin a fili. Kuma mutanen da ke kallon kallon kallo suna kallon abubuwa a nesa daban-daban, sunyi tafiya a cikin jirgin sama mai kwance ko tsaye. Tare da wasu cututtuka, akwai damuwa da hangen nesa, kalma na gani.